Timeline for What are some fundamental "sources" for the appearance of pi in mathematics?
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| May 20, 2014 at 0:22 | comment | added | Ira Gessel | To apply the WZ method (or Zeilberger's algorithm) you need another parameter. You would have to find an identity with a free parameter that gives this identity as a limit or special case, and as far as I know, there's no automatic way to do this. | |
| Aug 9, 2011 at 21:19 | history | answered | Timothy Chow | CC BY-SA 3.0 |