Fourier transform is currently implemented in SymPy only for integrable functions. None of those functions is integrable so SymPy cannot be used find the transform.
Kalevi Suominen On Tuesday, April 20, 2021 at 11:38:08 AM UTC+3 aTPer wrote: > I am trying to compute the integral fourier transform of > sin(t),cos(t),-1/t^2 and 2/t^3(look at screenshot). This for checking > answers for maths homework/tutorials. > So, I went to the Sympy documentation page and learned the code from there > to compute the FTs of the functions defined above but none of it actually > works. Then, I tried using the noconds=False This is my code: > > from sympy import fourier_transform, exp, cos, sin > from sympy.abc import t,w,o > fourier_transform(sin(o*t), t, w, noconds=False) > fourier_transform(cos(o*t), t, w, noconds=False) > fourier_transform(-1/t**2, t, w, noconds=False) > fourier_transform(2/t**3, t, w, noconds=False) > > https://i.stack.imgur.com/90eo8.png > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/108ffcc4-8e62-4a6a-bbcc-8fb23fb9dda5n%40googlegroups.com.
