LerchPhi[z, s, a] gives the Lerch transcendent .
Mathematical function (see Section A.3.10).
, where any term with is excluded.
LerchPhi[z, s, a, DoublyInfinite->True] gives the sum .
LerchPhi is a generalization of Zeta and PolyLog.
See Section 3.2.10.
Related package: NumberTheory`Ramanujan`.
New in Version 1.