Please help!!!!First input must be a function handle

this is my code:

syms x;
a = -5;
b = 5;
f = 1/(1+x^2);
n=57;
h = (b-a)/(2*n);
k = linspace(a,b,2*(n+1));
s = arrayfun(f,k);

 I want to aplly f to all the elements of k but it gives a error "First input must be a function handle"

Thx for your time

Answer 1

[Stephan]

Hi

try this:

syms x;
a = -5;
b = 5;
f = @(x)1/(1+x^2);
n=57;
h = (b-a)/(2*n);
k = linspace(a,b,2*(n+1));
s = arrayfun(f,k);

Best regards

Stephan

[Alex Cruz]

it worked, thanks a lot

[Stephan]

Hi Alex,

nice. Please accept helpful answers in order to help people with similar problems finding helpful answers.

Best regards

Stephan