ae3adf597bf1b7f879a5b0beb89b932576a9f4b1,scipy/signal/windows.py,,nuttall,#Any#Any#,352

Before Change

    M, needs_trunc = _extend(M, sym)

    a = [0.3635819, 0.4891775, 0.1365995, 0.0106411]
    n = np.arange(0, M)
    fac = n * 2 * np.pi / (M - 1.0)
    w = (a[0] - a[1] * np.cos(fac) +
         a[2] * np.cos(2 * fac) - a[3] * np.cos(3 * fac))

    return _truncate(w, needs_trunc)

After Change

        return np.ones(M)
    M, needs_trunc = _extend(M, sym)

    w = _cos_win(M, [0.3635819, 0.4891775, 0.1365995, 0.0106411])

    return _truncate(w, needs_trunc)

Instances