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 ( <http://forum.openopt.org/viewtopic.php?id=570>details<http://forum.openopt.org/viewtopic.php?id=570> ). In the new release: interalg <http://openopt.org/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 <http://openopt.org/PyPy> (Python with dinamic compilation, some problems are solved several times faster now) New solver lsmr for dense/sparse LLSP <http://openopt.org/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. -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
