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MathGroup Archive 1996

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Re: Inverse of Error Function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg5278] Re: [mg5258] Inverse of Error Function
  • From: BobHanlon at aol.com
  • Date: Mon, 18 Nov 1996 02:30:26 -0500
  • Sender: owner-wri-mathgroup at wolfram.com

Use the standard package "Statistics`InverseStatisticalFunctions`"


FORWARDED MESSAGE:

Subj:  [mg5258] Inverse of Error Function
From:  gus at crimson.up.ac.za
To: mathgroup at smc.vnet.net
X-From: gus at crimson.up.ac.za (Gustav Louw)
To: mathgroup at smc.vnet.net

I'm trying to find the inverse of the Error function in MMA.

I tried using InverseFunction, like this...

 InverseFunction[Erf[z]]

              (-1)
Out[1]= Erf[z]

But when I tried to find some numerical values i got this ...

In[2]:= % /. z->1 //N

                (-1)
Out[2]= 0.842701



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