How can i display a funtion dependenet to x ?

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Hi How can i can i display f with values in function of x ?
L=3;
sol(1)=2;
psi=1;
f (x) = @(x) cos ( (sol(1)/L) *x)- cosh( (sol(1)/L) *x)+ psi *( sin( (sol(1)/L) *x)- sinh( (sol(1)/L) *x));

Accepted Answer

Star Strider
Star Strider on 21 Jan 2017
This works:
L=3;
sol(1)=2;
psi=1;
f = @(x) cos ( (sol(1)/L) *x)- cosh( (sol(1)/L) *x)+ psi *( sin( (sol(1)/L) *x)- sinh( (sol(1)/L) *x));
x = linspace(-10, 10);
figure(1)
plot(x, f(x))
grid
xlabel('x')
ylabel('f(x)')
See the documentation for the linspace function to understand how to change the limits and number of elements in the ‘x’ vector.
  5 Comments
Star Strider
Star Strider on 23 Jan 2017
Thank you, Torsten. I’m UTC-7 here. I appreciate your comments.
A numeric evaluation of df(x)/dx would be the gradient function.

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