numpy.polynomial.hermite_e.hermemulx

polynomial.hermite_e.hermemulx(c)

Multiply a Hermite series by x.

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

參數:

carray_like

1-D array of Hermite series coefficients ordered from low to high.

回傳值:

outndarray

代表乘法結果的陣列。

也參考

hermeadd, hermesub, hermemul, hermediv, hermepow

Notes

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

\[xP_i(x) = (P_{i + 1}(x) + iP_{i - 1}(x)))\]

範例

Try it in your browser!

>>> from numpy.polynomial.hermite_e import hermemulx
>>> hermemulx([1, 2, 3])
array([2.,  7.,  2.,  3.])

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