MathGroup Archive 2010

[Date Index] [Thread Index] [Author Index]

Search the Archive

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
> ___________________________________________________________
> Neu: WEB.DE De-Mail - Einfach wie E-Mail, sicher wie ein Brief!
> Jetzt De-Mail-Adresse reservieren:https://produkte.web.de/go/demail02



  • Prev by Date: Re: Newbie question: Using expanded Boolean Criteria w the Select
  • Next by Date: Re: Newbie question: Using expanded Boolean Criteria w the Select funtion
  • Previous by thread: Re: Rearrange equation II
  • Next by thread: Default and head in function argument