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