numpy.polynomial.laguerre.
lagmulx
Multiply a Laguerre series by x.
Multiply the Laguerre series c by x, where x is the independent variable.
1-D array of Laguerre series coefficients ordered from low to high.
Array representing the result of the multiplication.
See also
lagadd, lagsub, lagmul, lagdiv, lagpow
lagadd
lagsub
lagmul
lagdiv
lagpow
Notes
The multiplication uses the recursion relationship for Laguerre polynomials in the form
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xP_i(x) = (-(i + 1)*P_{i + 1}(x) + (2i + 1)P_{i}(x) - iP_{i - 1}(x))
Examples
>>> from numpy.polynomial.laguerre import lagmulx >>> lagmulx([1, 2, 3]) array([-1., -1., 11., -9.])
