Wednesday, September 15, 2010

OpenOpt release 0.31

New OpenOpt Suite release is out. This is free (license: BSD) and cross-platform (Linux, Windows, Mac etc) Python language modules for numerical optimization, automatic differentiation, solving systems of linear/nonlinear/ordinary differential equations, interpolation, integration etc.

OpenOpt 0.31:

  • Lots of new NLP, NSP (nonsmooth) and GLP (global) solvers from nlopt have been connected
  • New LP solver: pclp (very premature, but permissive license (BSD) and pure Python implementation)
  • Some bugfixes (mostly wrt using sparse matrices) and code cleanup

FuncDesigner 0.21:

  • New features: Integration, Translator
  • Some speedup for functions evaluation, automatic differentiation, optimization problems with some fixed variables
  • New parameter useSparse for optimization probs and automatic differentiation (sometimes autoselect works prematurely)
  • Some bugfixes (mostly wrt using sparse matrices) and code cleanup

DerApproximator 0.21:

  • Add parameter exactShape (prevents flattering operations on result)
Welcome to our homepage: http://openopt.org

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