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