openmc.legendre_from_expcoef

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