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# numpy.polynomial.legendre.legmulx

`numpy.polynomial.legendre.``legmulx`(c)

  Multiply a Legendre series by x.

  Multiply the Legendre series c by x, where x is the independent variable.

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

  Notes

  The multiplication uses the recursion relationship for Legendre polynomials in the form