solve equation numerically 1=(1/y)x*exp(x*y)

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hi,
please, i want to solve numerically the following equation in matlab: 1=(1/y)x*exp(x*y)
Sincerely

Accepted Answer

Bruno Luong
Bruno Luong on 10 Aug 2022
Edited: Bruno Luong on 10 Aug 2022
Numercial solution
y = 0.01:0.01:1;
x = nan(size(y));
for k=1:length(y)
yk = y(k);
x(k) = fzero(@(x)x.*exp(x.*yk)-yk, 0.5);
end
plot(x,y)
xlabel('x')
ylabel('y')
  5 Comments
Bruno Luong
Bruno Luong on 10 Aug 2022
Edited: Bruno Luong on 10 Aug 2022
You should NOT to change the question, either you know the simplification is representative, either you don't then don't do it, this is wasteful for volonteer to answer the wrong question.
f=@(x,y)(44./y).^(1/2).*x.^(1/2).*exp(-(y/44).*x.^(5/3))-0.016;
[x,y]=meshgrid(0:0.01:1, 0:5000);
z=f(x,y);
c=contourc(x(1,:),y(:,1),z,[0 0]);
j = 1;
xy = c;
jrm = [];
while j <= size(c,2)
jrm = [jrm, j];
j = c(2,j)+j+1;
end
xy(:,jrm) = [];
xy = sortrows(xy',1);
x = xy(:,1);
y = xy(:,2);
for k=1:length(x)
try
y(k) = fzero(@(y)f(x(k),y), y(k));
catch
y(k) = NaN;
end
end
Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -0.28 is -0.016+0.19469i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -0.56 is -0.016+0.16372i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -0.84 is -0.016+0.14793i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -1.12 is -0.016+0.13767i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -1.4 is -0.016+0.1302i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -1.68 is -0.016+0.1244i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -1.96 is -0.016+0.1197i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -2.24 is -0.016+0.11577i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -2.52 is -0.016+0.11241i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -2.8 is -0.016+0.10949i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -3.08 is -0.016+0.10691i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -3.36 is -0.016+0.10461i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -3.64 is -0.016+0.10254i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -3.92 is -0.016+0.10066i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -4.2 is -0.016+0.098936i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -4.48 is -0.016+0.097353i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -4.76 is -0.016+0.09589i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -5.04 is -0.016+0.09453i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -5.32 is -0.016+0.093261i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -5.6 is -0.016+0.092073i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -5.88 is -0.016+0.090957i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -6.16 is -0.016+0.089906i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -6.44 is -0.016+0.088913i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -6.72 is -0.016+0.087973i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -7 is -0.016+0.08708i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -7.28 is -0.016+0.086231i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -7.56 is -0.016+0.085421i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -7.84 is -0.016+0.084649i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -8.12 is -0.016+0.08391i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -8.4 is -0.016+0.083202i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -8.68 is -0.016+0.082523i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -8.96 is -0.016+0.081871i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -9.24 is -0.016+0.081244i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -9.52 is -0.016+0.080641i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -9.8 is -0.016+0.080059i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -10.08 is -0.016+0.079497i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -10.36 is -0.016+0.078955i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -10.64 is -0.016+0.078431i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -10.92 is -0.016+0.077924i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -11.2 is -0.016+0.077432i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -11.48 is -0.016+0.076956i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -11.76 is -0.016+0.076495i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -12.04 is -0.016+0.076046i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -12.32 is -0.016+0.075611i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -12.6 is -0.016+0.075188i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -12.88 is -0.016+0.074776i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -13.16 is -0.016+0.074376i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -13.44 is -0.016+0.073986i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -13.72 is -0.016+0.073606i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -14 is -0.016+0.073235i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -14.28 is -0.016+0.072874i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -14.56 is -0.016+0.072521i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -14.84 is -0.016+0.072177i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -15.12 is -0.016+0.071841i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -15.4 is -0.016+0.071513i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -15.68 is -0.016+0.071192i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -15.96 is -0.016+0.070878i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -16.24 is -0.016+0.070571i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -16.52 is -0.016+0.07027i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -16.8 is -0.016+0.069976i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -17.08 is -0.016+0.069688i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -17.36 is -0.016+0.069405i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -17.64 is -0.016+0.069129i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -17.92 is -0.016+0.068857i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -18.2 is -0.016+0.068591i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -18.48 is -0.016+0.068331i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -18.76 is -0.016+0.068075i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -19.04 is -0.016+0.067823i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -19.32 is -0.016+0.067577i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -19.6 is -0.016+0.067334i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -19.88 is -0.016+0.067096i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -20.16 is -0.016+0.066862i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -20.44 is -0.016+0.066633i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -20.72 is -0.016+0.066407i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -21 is -0.016+0.066185i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -21.28 is -0.016+0.065966i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -21.56 is -0.016+0.065751i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -21.84 is -0.016+0.06554i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -22.12 is -0.016+0.065332i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -22.4 is -0.016+0.065127i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -22.68 is -0.016+0.064926i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -22.96 is -0.016+0.064727i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -23.24 is -0.016+0.064532i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -23.52 is -0.016+0.064339i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -23.8 is -0.016+0.064149i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -24.08 is -0.016+0.063963i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -24.36 is -0.016+0.063778i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -24.64 is -0.016+0.063597i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -24.92 is -0.016+0.063418i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -25.2 is -0.016+0.063241i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -25.48 is -0.016+0.063067i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -25.76 is -0.016+0.062895i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -26.04 is -0.016+0.062726i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -26.32 is -0.016+0.062559i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -26.6 is -0.016+0.062394i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -26.88 is -0.016+0.062231i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -27.16 is -0.016+0.06207i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -27.44 is -0.016+0.061912i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -27.72 is -0.016+0.061755i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -28 is -0.016+0.061601i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -28.28 is -0.016+0.061448i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -28.56 is -0.016+0.061297i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -28.84 is -0.016+0.061148i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -29.12 is -0.016+0.061001i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -29.4 is -0.016+0.060856i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -29.68 is -0.016+0.060712i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -29.96 is -0.016+0.06057i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -30.24 is -0.016+0.06043i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -30.52 is -0.016+0.060291i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -30.8 is -0.016+0.060154i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -31.08 is -0.016+0.060018i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -31.36 is -0.016+0.059884i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -31.64 is -0.016+0.059751i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -31.92 is -0.016+0.05962i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -32.2 is -0.016+0.059491i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -32.48 is -0.016+0.059362i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -32.76 is -0.016+0.059235i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -33.04 is -0.016+0.05911i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -33.32 is -0.016+0.058986i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -33.6 is -0.016+0.058863i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -33.88 is -0.016+0.058741i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -34.16 is -0.016+0.058621i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -34.44 is -0.016+0.058502i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -34.72 is -0.016+0.058384i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -35 is -0.016+0.058267i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -35.28 is -0.016+0.058151i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -35.56 is -0.016+0.058037i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -35.84 is -0.016+0.057923i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -36.12 is -0.016+0.057811i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -36.4 is -0.016+0.0577i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -36.68 is -0.016+0.05759i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -36.96 is -0.016+0.057481i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -37.24 is -0.016+0.057373i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -37.52 is -0.016+0.057266i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -37.8 is -0.016+0.05716i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -38.08 is -0.016+0.057055i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -38.36 is -0.016+0.056951i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -38.64 is -0.016+0.056848i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -38.92 is -0.016+0.056745i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -39.2 is -0.016+0.056644i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -39.48 is -0.016+0.056544i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -39.76 is -0.016+0.056444i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -40.04 is -0.016+0.056346i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -40.32 is -0.016+0.056248i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -40.6 is -0.016+0.056151i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -40.88 is -0.016+0.056055i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -41.16 is -0.016+0.05596i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -41.44 is -0.016+0.055865i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -41.72 is -0.016+0.055772i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -42 is -0.016+0.055679i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -42.28 is -0.016+0.055587i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -42.56 is -0.016+0.055495i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -42.84 is -0.016+0.055405i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -43.12 is -0.016+0.055315i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -43.4 is -0.016+0.055226i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -43.68 is -0.016+0.055138i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -43.96 is -0.016+0.05505i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -44.24 is -0.016+0.054963i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -44.52 is -0.016+0.054877i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -44.8 is -0.016+0.054791i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -45.08 is -0.016+0.054706i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -45.36 is -0.016+0.054622i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -45.64 is -0.016+0.054538i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -45.92 is -0.016+0.054455i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -46.2 is -0.016+0.054373i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -46.48 is -0.016+0.054291i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -46.76 is -0.016+0.05421i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -47.04 is -0.016+0.054129i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -47.32 is -0.016+0.054049i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -47.6 is -0.016+0.05397i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -47.88 is -0.016+0.053891i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -48.16 is -0.016+0.053813i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -48.44 is -0.016+0.053736i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -48.72 is -0.016+0.053659i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -49 is -0.016+0.053582i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -49.28 is -0.016+0.053506i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -49.56 is -0.016+0.053431i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -49.84 is -0.016+0.053356i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -50.12 is -0.016+0.053281i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -50.4 is -0.016+0.053208i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -50.68 is -0.016+0.053134i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -50.96 is -0.016+0.053061i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -51.24 is -0.016+0.052989i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -51.52 is -0.016+0.052917i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -51.8 is -0.016+0.052846i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -52.08 is -0.016+0.052775i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -52.36 is -0.016+0.052705i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -52.64 is -0.016+0.052635i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -52.92 is -0.016+0.052565i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -53.2 is -0.016+0.052496i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -53.48 is -0.016+0.052428i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -53.76 is -0.016+0.05236i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -54.04 is -0.016+0.052292i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -54.32 is -0.016+0.052225i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -54.6 is -0.016+0.052158i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -54.88 is -0.016+0.052092i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -55.16 is -0.016+0.052026i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -55.44 is -0.016+0.051961i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -55.72 is -0.016+0.051895i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -56 is -0.016+0.051831i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -56.28 is -0.016+0.051767i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -56.56 is -0.016+0.051703i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -56.84 is -0.016+0.051639i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -57.12 is -0.016+0.051576i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -57.4 is -0.016+0.051513i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -57.68 is -0.016+0.051451i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -57.96 is -0.016+0.051389i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -58.24 is -0.016+0.051328i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -58.52 is -0.016+0.051266i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -58.8 is -0.016+0.051206i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -59.08 is -0.016+0.051145i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -59.36 is -0.016+0.051085i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -59.64 is -0.016+0.051025i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -59.92 is -0.016+0.050966i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -60.2 is -0.016+0.050907i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -60.48 is -0.016+0.050848i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -60.76 is -0.016+0.05079i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -61.04 is -0.016+0.050732i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -61.32 is -0.016+0.050674i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -61.6 is -0.016+0.050617i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -61.88 is -0.016+0.05056i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -62.16 is -0.016+0.050503i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -62.44 is -0.016+0.050447i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -62.72 is -0.016+0.05039i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -63 is -0.016+0.050335i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -63.28 is -0.016+0.050279i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -63.56 is -0.016+0.050224i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -63.84 is -0.016+0.050169i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -64.12 is -0.016+0.050115i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -64.4 is -0.016+0.05006i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -64.68 is -0.016+0.050006i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -64.96 is -0.016+0.049953i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -65.24 is -0.016+0.049899i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -65.52 is -0.016+0.049846i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -65.8 is -0.016+0.049794i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -66.08 is -0.016+0.049741i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -66.36 is -0.016+0.049689i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -66.64 is -0.016+0.049637i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -66.92 is -0.016+0.049585i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -67.2 is -0.016+0.049534i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -67.48 is -0.016+0.049483i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -67.76 is -0.016+0.049432i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -68.04 is -0.016+0.049381i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -68.32 is -0.016+0.049331i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -68.6 is -0.016+0.049281i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -68.88 is -0.016+0.049231i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered during search. (Function value at -69.16 is -0.016+0.049181i.) Check function or try again with a different starting value. Exiting fzero: aborting search for an interval containing a sign change because complex function value encountered dur...
plot(x,y);

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More Answers (1)

KSSV
KSSV on 10 Aug 2022
syms x y
f = 1==1/y*x*exp(x*y)
f = 
solve(f,x)
ans = 
solve(f,y)
Warning: Solutions are only valid under certain conditions. To include parameters and conditions in the solution, specify the 'ReturnConditions' value as 'true'.
ans = 
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