For loop with subs
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Hi All,
I have been trying to to have three different matrix based on the values of y , z, however, it's strange, the output matrix of mat is not 1*3 its 4*9 ?
Why can not I have three different matrices (1*3)?
syms l1 l2 real;
x=[2,3,4];
mat=[1 2 3;l1 2 l1];
mat=subs(mat,{l2})
for i=1:3
y=x(i)+1;
z=[1 2 3;4 5 y];
subs(mat,{l1,l2},{y,z})
end
2 Comments
Walter Roberson
on 14 Jul 2019
Why would you expect the result of substituting into a 2 x 3 matrix to ever be smaller than 2 x 3?
Answers (1)
TADA
on 14 Jul 2019
You are setting a 2x3 matrix into l2, which duplicates mat for all possible substitutions
2x3 times 2x3 = 4x9
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