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MathGroup Archive 1996

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[Q] Erfi - what is it?

  • To: mathgroup at
  • Subject: [mg3328] [Q] Erfi - what is it?
  • From: pherron at sphinx.Stanford.EDU (Michael C. Herron)
  • Date: Mon, 26 Feb 1996 02:57:23 -0500
  • Organization: Graduate School Of Business, Stanford University
  • Sender: owner-wri-mathgroup at

I used mathematica to solve an integral that I could not myself do
analytically.  The output contained a function Erfi[].  What is
Erfi[]?  I am familiar with the error function and its complement
(Erf[] and Erfc[] in mathematica), but I do not understand Erfi[].
The function does not appear to be in the manuals that I have seen,

If someone could translate Erfi[] or provide a reference, I would
appreciate it.




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