Lines Matching refs:xi
73 xi = zeros(xi_len)77 xi[j] = x[i]78 m = (xi[j]-xi[last_j])/(j-last_j)80 xi[k] = m * (k - last_j) + xi[last_j]85 y = smooth(xi, wlen)90 X = my_fft(xi, sample_hz)101 ts = arange(0, len(xi), dtype=float)/sample_hz # time signal in units of seconds102 plot(ts, xi, alpha=0.2)