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Annoying error in Hypergeometric2F1

• To: mathgroup at smc.vnet.net
• Subject: [mg107888] Annoying error in Hypergeometric2F1
• From: anguzman at ing.uchile.cl
• Date: Tue, 2 Mar 2010 03:35:48 -0500 (EST)

This is very bad and disappointing...what about version 7 ..
Looks like the symbolic evaluation is messed up..

Mathematica 6.0 for Linux x86 (32-bit)
Copyright 1988-2008 Wolfram Research, Inc.

In[1]:= Hypergeometric2F1[1/2, 2, 3/2, -125/100]

                                Sqrt[5]
         10 + 9 Sqrt[5] ArcTanh[-------]
                                   2
Out[1]= -------------------------------
                       45

In[2]:= %//N

Out[2]= 0.867836 - 0.702481 I

In[3]:= Hypergeometric2F1[1/2, 2, 3/2, -1.25]

Out[3]= 0.59836



Atte. Andres Guzman

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  • Re: Annoying error in Hypergeometric2F1
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