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# numpy.polynomial.polynomial.polymulx

`numpy.polynomial.polynomial.``polymulx`(c)

  Multiply a polynomial by x.

  Multiply the polynomial c by x, where x is the independent variable.

  Parameters: | c : array_like 1-D array of polynomial coefficients ordered from low to high.
  Returns: | out : ndarray Array representing the result of the multiplication.

  Notes

  New in version 1.5.0.