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: [email protected] > [mailto:[email protected]] On Behalf Of Carl Witthoft > Sent: Sunday, February 08, 2009 3:12 PM > To: [email protected] > 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 > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

