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The Maple definition seems to be based on a different initial value for the derivative than the Mathematica definition. The derivative of the Maple function SE(a, q, z] at z = 0 is 1; Mathematica has a different initial value. (I couldn't find a specification in the documentation or on functions.wolfram.com). Howevever, since they satisfy the same linear ...


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Whenever you run into unexpected results with pattern matching you need to consider how the pattern object itself evaluates. For example consider these: Plus[__] Plus[_, _] Times[_, _] __ 2 _ _^2 And now your pattern: Hypergeometric2F1[_, _, _, _] (1 - _)^-_ To prevent this evaluation you can use either HoldPattern or Verbatim: ...



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