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- from scipy import fft,ifft
- from numpy import concatenate, zeros
- def toeplitz_multiplication(a,v):
- n = len(a)
- c = concatenate((a[[0]],zeros(n),a[-1:0:-1]))
- vtilde = concatenate((v,zeros(n)))
- return ifft(fft(c)*fft(vtilde))[:n]
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