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Rearrange equation II

• To: mathgroup at smc.vnet.net
• Subject: [mg111595] Rearrange equation II
• From: Tonja Krueger <tonja.krueger at web.de>
• Date: Sat, 7 Aug 2010 01:29:39 -0400 (EDT)

I probably didn't explain properly:
I've got a function G(x), which is:
-(Sqrt[\[Pi]/2]*Erfc[x]*(-\[Mu]+Log[x]))/(2*Sqrt[\[Pi]]*\[Sigma])
The parameters mu and sigma are unknown. I would like to convert the formula so it has the Form:
x=.....
(So I kind of want to inverse the function). Is there a way to do so, with mu, sigma and x[i] not known?

Thanks for the help,
Tonja
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