[R] Lerch Phi function

[Robin Hankin]

Hi

before I reinvent the wheel, has anyone coded up the Lerch Phi function?


[
The Lerch Phi function is defined as

phi(a,s,b) = \sum_{k=1}^\infty\frac{a^k}{(b+k)^s}
]


--
Robin Hankin
Uncertainty Analyst
National Oceanography Centre, Southampton
European Way, Southampton SO14 3ZH, UK
  tel  023-8059-7743