Re: FindRoot with 2 variables plus parameters
- To: mathgroup at smc.vnet.net
- Subject: [mg117734] Re: FindRoot with 2 variables plus parameters
- From: DrMajorBob <btreat1 at austin.rr.com>
- Date: Wed, 30 Mar 2011 04:16:08 -0500 (EST)
We'd need to know f and g to have useful suggestions. If there's anything "messy" about them, symbolic solutions won't be possible. Bobby On Tue, 29 Mar 2011 06:58:14 -0500, Alessandro Tavoni <alessandro.tavoni at gmail.com> wrote: > Hi all, > > I have a hard time finding roots to the following system of equations > in 2 unknowns (p,q): > > eq1 = Pu == f(q, alfa, beta) > eq2 = Ql == g(p, alfa, beta) > > If the 2 parameters (alfa, beta) are given numerical values > beforehand, no issue. But I would like to retain the parameters in > symbolic form, so as to later minimize the distance of Pu and Ql from > two numbers. > > I have only managed to work around this issue by creating a Table for > each variable given various parameter variables so to compare it to a > Table filled with the corresponding number. This method, however, > seems rather cumbersome, and would rather use Nminimize if possible. > > Thanks! > Alex > -- DrMajorBob at yahoo.com