Hi all, I'm glad to inform you about new OpenOpt release 0.39 (quarterly since 2007).
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 tomopt.com and ~ 1/3 of gams.com (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 (http://openopt.org) you could vote for most required OpenOpt Suite development direction(s). Regards, D. -- http://mail.python.org/mailman/listinfo/python-announce-list Support the Python Software Foundation: http://www.python.org/psf/donations/
