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Re: Rearrange equation II

  • To: mathgroup at smc.vnet.net
  • Subject: [mg111629] Re: Rearrange equation II
  • From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
  • Date: Sun, 8 Aug 2010 07:20:45 -0400 (EDT)
  • References: <i3ir25$snn$1@smc.vnet.net>

Don't think you can do this algebraically. If mu and sigma are known
you can solve it numerically.

Cheers -- Sjoerd

On Aug 7, 7:30 am, Tonja Krueger <tonja.krue... at web.de> wrote:
> 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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