Hello, On 6/26/09, chris.wil...@csiro.au <chris.wil...@csiro.au> wrote: > We are looking for a solver that can deal with this nonlinear integer > programming problem. We looked at a number of packages on the CRAN Task > View: Optimization and Mathematical Programming, however, we have not been > able to locate one that will suit our purposes. The essential features are > we need to be able to write a nonlinear function for the objective (hopefully > a self contained one as we need to include some data in it), we need to be > able to use a binary decision (or parameter) vector, and we need to be able > to use a constraint. Any suggestions as to packages or other software that > will work for our problem would be much appreciated. > There is `solnp', part of the "Integer and Nonlinear Optimization in R (RINO)" project [1]. It is still in early beta, though.
[1] http://r-forge.r-project.org/projects/rino/ ______________________________________________ R-help@r-project.org 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.
