darkhistory.electrons.ics.BE_integrals.F0¶
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darkhistory.electrons.ics.BE_integrals.
F0
(a, b, epsrel=0)¶ Definite integral of 1/[(exp(x) - 1)].
Parameters: - a : ndarray
Lower limit of integration. Can be either 1D or 2D.
- b : ndarray
Upper limit of integration. Can be either 1D or 2D.
- err : float
Error associated with series expansion. If zero, then the error is not computed.
Returns: - float
The resulting integral.