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# numpy.polymul

`numpy.``polymul`(a1, a2)

  Returns product of two polynomials represented as sequences.

  The input arrays specify the polynomial terms in turn with a length equal to the polynomial degree plus 1.

  Parameters: | a1 : {array_like, poly1d} First multiplier polynomial. a2 : {array_like, poly1d} Second multiplier polynomial.
  Returns: | out : {ndarray, poly1d} Product of inputs.

  See also

  `poly`, `polyadd`, `polyder`, `polydiv`, `polyfit`, `polyint`, `polysub`, `polyval`

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