How would I use fzeros in this?

Hi I want to use fzeros, but I'm not sure what to do to make it work in my code. You can probably understand what I'm trying to do, so I won't explain. Thank you

 f = @myFunction
 n = -6:6
 x0 = n*pi
 z = fzero(f, x0)

[M]

Did you read this ? https://fr.mathworks.com/help/matlab/ref/fzero.html

x = fzero(fun,x0) tries to find a point x where fun(x) = 0

How is myFunction defined ?

[James Crowe]

I have read that and not sure how to do it still. My function is defined as:

 function [y] = myFunction(x)
 y = 3*sin(5*x)+2*cos(x.^1);
 end

Answer 1

[M]

If you read the documentation, you should have notice that second input argument must be a scalar or a 2-elements vector.

This is not the case with your example.

Try with

   f = @myFunction
   x0 =[1 -1];
   z = fzero(f, x0);
   myFunction(z)
   ans =
      -4.4409e-16

or

 f = @myFunction
 x0=0;
 z = fzero(f, x0);
 myFunction(z)
 ans =
   0