general inverse solver?

Carl:

I don't know if this is helpful or not, but have you seen the functions
backsolve and forwardsolve for solving triangular systems?
-----Original Message-----
From: r-help-bounces at r-project.org 
[mailto:r-help-bounces at r-project.org] On Behalf Of Carl Witthoft
Sent: Sunday, February 08, 2009 3:12 PM
To: r-help at r-project.org
Subject: [R] general inverse solver?

Just wondering if there's an R package which does tricks 
similar to what TK!Solver does.

TK!Solver, for those not lucky enough to have found it, 
basically allows one to define a bunch of equations, assign 
values to an arbitrary subset of the variables, from which it 
calculates (either directly when possible or back-solving 
when not) the values of the other variable(s).

thanks
Carl

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general inverse solver?

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