Wildemar Wildenburger wrote: > Peter Otten wrote: >> With y = x^2 = 1/3 pi^2 - 4(cos x - cos(2x)/2^2 + cos(3x)/3^2 - ...) >> >> area is dimensionless, too, I suppose. >> > > Ehr, ... maybe this is obvious, but I don't see it: Please explain the > second equality sign.
I know not much more about Fourier series than that they do exist, so let me refer you to http://en.wikipedia.org/wiki/Fourier_series for a general explanation, and to http://www.exampleproblems.com/wiki/index.php/FS6 for the series given above. Peter -- http://mail.python.org/mailman/listinfo/python-list
