search for: borwein

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2008 Apr 23
1
BB - a new package for solving nonlinear system of equations and for optimization with simple constraints
Hi, We (Paul Gilbert and I) have just released a new R package on CRAN called "BB" (stands for Barzilai-Borwein) that provides functionality for solving large-scale (and small-scale) nonlinear system of equations. Until now, R didn't have any functionality for solving nonlinear systems. We hope that this package fills that need. We also have an implementation of the spectral projected gradient me...