Question

How to solve this equation?

Hi. I want to solve this equation (find the root of this polynomial). How can I do that? h^0.66+0.0805*h=0.045

3 months ago | 2 answers | 0

Question

how to plot to some maximum axis level?

hi, I have variables with data, like x= 20,12,15,65,74,52,233 y=55,2,221,23,21,21,11 I have done a scatter plot and added a ...

5 months ago | 1 answer | 0

Question

How to add trendline to scatterplot?

hi, I have 2 variables with data, like x=2 1 4 68 4 5 y=5 4 2 23 21 50 I want to add trendline to the scatter plot. how can...

5 months ago | 1 answer | 0

Question

How to change two variables in one loop?

Hi... I have something like this.. d(1)=0.3 a(1)=0.5 for i=1:5 /some code/ a(i+1)=a(i)-0.5*p d(i+1)=d(i)-0.3*...

10 months ago | 1 answer | 0

Question

How to find argument value?

Hi, I have a, b vectors and rectangular grid made of them, I write a function and obtain function values on grid. How can I fin...

11 months ago | 1 answer | 0

Question

Why do I get a wrong value?

Hi.. here's my code x=[0.1, 0.5, 1] x_e=[0.1, 0.5, 1] g=x.^2+2*x_e g(2) x(find(g(2))) I want to find which x value corresp...

11 months ago | 1 answer | 0

Question

Why do I get this error? "indices must either be real positive integers or logicals."

hi, why do I get this error ? Subscript indices must either be real positive integers or logicals. Error in sev (line 27) ...

12 months ago | 3 answers | 0

Question

What's wrong with my code?

here's my code.. syms a b=2; e=0.9; q=0.4; g=0.6; k=0; d=0.5; a=1:1:5; N(a) = (q*b*e/a-d*e)/((q^2)*(e^2)/a+2*e*g) pi(a)=(...

12 months ago | 2 answers | 0

Question

How to plot with different calibrations?

Hi, I want to make subplots with different calibrations, syms a %a=2 b=2, e=0.9 , q=0.4, g=0.6, k=0, d=0.5 N(a) = (q*b*e/...

12 months ago | 1 answer | 0

Question

how to get function value?

Hi I want to evaluate function and its derivative at a=2 , how to do that? syms a b=2 e=0.9 q=1.2 g=2 k=3 d=0.5 f=(q*b*...

12 months ago | 2 answers | 0

Question

How to know results

I have a polynomial and parameters in it, a=2, c=1, d=2 , g=0.5, k=2 , f=2 e=[2,8,5,4] b=[1,2,3,4] p=[ -c.*k+ (f.^2)*(e.^2...

12 months ago | 2 answers | 0

Question

how to connect coordinates?

Hi...I have these values. x=[1,2,3,4] y=[-2,0,-3,2,52,21,23] each value of x corresponds to more than one value of y.... I wa...

12 months ago | 0 answers | 0

Question

FInd the function root

How can I find the root of function without initial point? I have a parametrized function, with one variable, N a=@(N)(someth...

12 months ago | 2 answers | 0

Question

How to find max and min value of a function ?

Hi ... I have a function u_g a=2; b=2; c=1; e=0.75 ; l=0.5; u_g = @(x, x_e, N)(-0.5*a*x.^2+b*(x-x_e)-c*(N.^l)+e*u_p(x,x_e,N));...

12 months ago | 3 answers | 0

Question

How to set extremum value of parameter?

I have a loop in which I change the value of a parameter. how can I set maximum and minimum values for that parameter? for exa...

1 year ago | 1 answer | 0

Question

how to ease conditions?

Hi .. In my code I have a result number (called "gov") on which I want to put conditions also there is a matrix with 25 colum...

1 year ago | 1 answer | 0

Question

plot values in the loop

Hello my code is something like this p=3 for k=1:p %something if %something d=d+1 elseif %something ...

1 year ago | 2 answers | 0

Question

plot variable values of loop

Hello I have a code like this for k=1:3 %something if %one condition d=d-2 if %the other conditi...

1 year ago | 0 answers | 0

Question

Changing variable in the loop

Hi..this is my code....I wrote a loop for 3 iterations and in the loop I wrote if condition(in the very end) and based on that ...

1 year ago | 1 answer | 0

Question

how to make a response for more than one period?

function response = f(n,p) if (p == 1) response = 'yes'; elseif (p == 2) response = 'no'; end This is my function...

1 year ago | 1 answer | 0

Question

how to insert a function into anonymous function

I have two functions function a=f(x,y,z) y=x.^2+5*y+z end and b = @(x,y,z)(0.6*x+y.^3-z) I want to insert the first one ...

1 year ago | 1 answer | 0

Question

find the element in matrix of intersecting vectors

Here's my code. I have а & b matrices, and A & B vectors that maximize a's rows and b's colums. also there is another matrix tha...

1 year ago | 1 answer | 0

Question

how to combine matrices

I have two matrices: A & B ... I want to combine them so that every element will be near the other one's corresponding element. ...

1 year ago | 1 answer | 0

Question

How to make statements intersect

How can I make if command's statements intersect and after that receive the result. For example the answer for this code is 'noy...

1 year ago | 2 answers | 0