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# numpy.polynomial.chebyshev.chebmulx

`numpy.polynomial.chebyshev.``chebmulx`(c)

  Multiply a Chebyshev series by x.

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

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

  Notes

  New in version 1.5.0.