OpenOpt Suite 0.39

dmitrey dmitrey15 at
Fri Jun 15 13:09:32 CEST 2012

Hi all,
I'm glad to inform you about new OpenOpt release 0.39 (quarterly since

OpenOpt is free, even for commercial purposes, cross-platform software
for mahematical modeling and (mainstream) optimization. Our website
have reached 259 visitors daily, that is same to and ~ 1/3
of (details).

In the new release:
interalg (medium-scaled solver with specifiable accuracy abs(f-f*) <=
fTol): add categorical variables and general logical constraints, many
other improvements
Some improvements for automatic differentiation
DerApproximator and some OpenOpt/FuncDesigner functionality now works
with PyPy (Python with dinamic compilation, some problems are solved
several times faster now)
New solver lsmr for dense/sparse LLSP (linear least squares)
Some bugfixes and some other changes

In our website ( you could vote for most required
OpenOpt Suite development direction(s).

Regards, D.

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