Re: Re: how can I solve a function Erfc

*To*: mathgroup at smc.vnet.net*Subject*: [mg48440] Re: [mg48420] Re: how can I solve a function Erfc*From*: DrBob <drbob at bigfoot.com>*Date*: Sun, 30 May 2004 06:12:02 -0400 (EDT)*References*: <c96h2m$idk$1@smc.vnet.net> <200405290706.DAA20369@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

If only that worked! But it doesn't... at least, not in version 5.0.1. Bobby On Sat, 29 May 2004 03:06:40 -0400 (EDT), Jens-Peer Kuska <kuska at informatik.uni-leipzig.de> wrote: > Hi, > > > Plot[Evaluate[ > t /. Solve[Erfc[L/(4*(Dg*t)^(1/2))] == 9/10, t][[1]] /. Dg -> > 5*10^5], > {L, 0, 10}] > > Regards > Jens > > aude wrote: >> >> Hi, >> >> I have to solve this function: >> >> Erfc[L/(4*(Dg*t)^(1/2))]= 0.9 >> >> Dg is constant. >> >> Dg=5*10^5 >> >> I want to plot t as a function of L. >> >> thanks. >> >> aude > > -- Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/

**References**:**Re: how can I solve a function Erfc***From:*Jens-Peer Kuska <kuska@informatik.uni-leipzig.de>