Maybe I found the problems; 1. t0=1.0, t1=3.0, y['1'] = cos(1.0*omega*t): I have to reconstruct the signal using
> yRec += a * cos(omega*i*(t-t0) + f) not > yRec += a * cos(omega*i*t + f) 2. t0=2, t1=3, y['Signal'] = 1.0*cos(1.0*omega*t) + ... + 5.0*cos(5.0*omega*t) + 1.0: starting point and end point must not be the same, so to generate the signal I have to use > t = linspace(t0, t1, 1000, endpoint=False) not > t = linspace(t0, t1, 1000) Thanks
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