Re: Hold problems with FindRoot

*To*: mathgroup at smc.vnet.net*Subject*: [mg57090] Re: Hold problems with FindRoot*From*: Bill Rowe <readnewsciv at earthlink.net>*Date*: Sun, 15 May 2005 03:03:43 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

On 5/14/05 at 4:57 AM, lists at bjornerstedt.org (Jonas BjÃ¶rnerstedt) wrote: >I have problems getting FindRoot to evaluate the equations it >evaluates, despite using Evaluate on the equations. I have a rather >complex function f[x,y] that works correctly with individual values >x and y. Evaluating the following expression does not work however. >FindRoot[Evaluate[f[x,y]==0],{{x,1},{y,1}}] >When evaluating, I get similar errors as when I evaluate f without >inserting values for x and y. I can also do a Plot3D on f without >using Evaluate. >Does anybody have an idea what the problem is? There is no way for anyone to determine the nature of the problem when you have not included details of f[x,y]. -- To reply via email subtract one hundred and four