Error using ==> mtimes Inner matrix dimensions must agree.

Can anyone help me how to fix this error?

W=[-1:0.01:1];

y=(4*1i*(W*cos(W) + sin(W)))/(W^2);

Answer 1

[Azzi Abdelmalek]

Use ./ instead of /

y=(4*1i*(W*cos(W) + sin(W)))./(W^2);

[Roger Stafford]

Also these changes:

   y=(4*1i*(W.*cos(W) + sin(W)))./(W.^2);

[Lucas Périco]

Thanks!!