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I'm trying to compute fourier series of a random signal. It worked for a while, but then crashes when I make changes, and I cannot recover the working file. Any ideas or a workaround? File fourier_seq is attached. An older file that is similar is also attached.
The same problem 
Hi, a workaround : use eg, a
fn=If(-pi<=x<=pi,FitPoly(f,30))
instead of f
This will probably work better:
if you define
and use f(x) for calculations and g(x) for displayComments have been locked on this page!