Re: Hold problems with FindRoot

*To*: mathgroup at smc.vnet.net*Subject*: [mg57101] Re: Hold problems with FindRoot*From*: "Nafod40" <may106 at psu.edu>*Date*: Sun, 15 May 2005 03:04:09 -0400 (EDT)*References*: <d64eu4$9cb$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Try defining f[x,y] so it only recognizes numbers, i.e... f[x_?NumericQ, y_?NumericQ]:= blah, blah, blah FindRoot tries to resolve it symbolically when it first "sees" f[ ].