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# scipy.signal.cheby1

`scipy.signal.``cheby1`(N, rp, Wn, btype='low', analog=0, output='ba')

  Chebyshev type I digital and analog filter design.

  Description:

  > Design an Nth order lowpass digital or analog Chebyshev type I filter and return the filter coefficients in (B,A) or (Z,P,K) form.

  See also cheb1ord.

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