Error using plot ; spectrum of function

Why I get error using the following code?

    syms t w;
syms g h;
g=fourier(exp(-1*(t^2)));
h=abs(g);
w=-10.1:10.1;
plot(w,h);

Answer 1

[Walter Roberson]

plot(w, subs(h))

[geometry geometry]

sorry but it doesn't work.

[Walter Roberson]

Worked fine when I tried on the code you posted.

If you have other code for calculating spectra then you should probably post that so we do not have to guess about what might not be working.

[geometry geometry]

Yes thanks! I'm sorry it works fine. (I was using fplot instead of plot).

Answer 2

[Karan Gill]

Plot symbolic functions by using fplot.

fplot(h)

See https://www.mathworks.com/help/symbolic/fplot.html

[geometry geometry]

Thanks but it doesn't plot spectrum of f(t) correctly. I want to plot the spectrum of arbitrary function for example exp(-t^2) , dirac(t), ...

could you help me?