orthax.laguerre.poly2lag

orthax.laguerre.poly2lag(pol)Source

Convert a polynomial to a Laguerre series.

Convert an array representing the coefficients of a polynomial (relative to the “standard” basis) ordered from lowest degree to highest, to an array of the coefficients of the equivalent Laguerre series, ordered from lowest to highest degree.

Parameters:

pol (array_like) – 1-D array containing the polynomial coefficients

Returns:

c (ndarray) – 1-D array containing the coefficients of the equivalent Laguerre series.

See also

lag2poly

Examples

>>> from orthax.laguerre import poly2lag
>>> poly2lag(np.arange(4))
array([ 23., -63.,  58., -18.])