openmc.legendre_from_expcoef¶
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openmc.
legendre_from_expcoef
(coef, domain=(-1, 1))[source]¶ Return a Legendre series object based on expansion coefficients.
Given a list of coefficients from FET tally and a array of down, return the numpy Legendre object.
Parameters: - coef (Iterable of float) – A list of coefficients of each term in Legendre polynomials
- domain ((2,) List of float) – Domain of the Legendre polynomial
Returns: A numpy Legendre series class
Return type: numpy.polynomial.Legendre