[sage-support] OpenOpt Suite v 0.5627

hello, OpenOpt Suite v 0.5627 (OpenOpt, FuncDesigner, SpaceFuncs, DerApproximator) is available for downloading from the link https://app.box.com/s/yubipvy5q91x8w3eoglhi0tn5d9i854a

[sage-support] [ANN] OpenOpt Suite release 0.53: Stochastic programming addon now is BSD-licensed

/Dmitrey -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com

[sage-support] [ANN] OpenOpt suite v 0.52

solvers have been connected New ODE solvers, parameters abstol and reltol New GLP http://openopt.org/GLP solver: direct Some minor bugfixes and improvements Regards, Dmitrey. -- You received this message because you are subscribed to the Google Groups sage-support group. To unsubscribe

[sage-support] [ANN] MATLAB fmincon now available in Python

Hi all, current state of Python - MATLAB connection soft doesn't allow passing of function handlers, however, a walkaround has been implemented via some tricks, so now MATLAB function fmincon is available in Python-written OpenOpt and FuncDesigner frameworks (with possibility of automatic

[sage-support] [ANN] OpenOpt suite v 0.51

Hi all, new OpenOpt suite v 0.51 has been released: - Some improvements for FuncDesigner http://openopt.org/FuncDesigner automatic differentiation and QP http://openopt.org/QP - FuncDesigner now can model sparse (MI)(QC)QP - Octave QP http://openopt.org/QP solver has been

[sage-support] new OpenOpt Suite release 0.50

FuncDesigner interval analysis for *tan* in range(-pi/2,pi/2) * Some other bugfixes and improvements * (Proprietary) FuncDesigner stochastic addonhttp://openopt.org/StochasticProgrammingnow is available as standalone *pyc*-file, became available for Python3 as well Regards, Dmitrey

[sage-support] OpenOpt Suite release 0.45

automatic differentiation kernel due to a bug in some versions of Python or NumPy, may affect optimization problems, including (MI)LP, (MI)NLP, TSP etc * Some other minor bugfixes and improvements --- Regards, D. http://openopt.org/Dmitrey -- You received this message

[sage-support] [ANN] OpenOpt Suite release 0.43

Hi all, I'm glad to inform you about new OpenOpt release 0.43 (2012-Dec-15): * interalg http://openopt.org/interalg now can solve SNLE in 2nd mode (parameter dataHandling = raw, before - only sorted) * Many other improvements for interalg * Some improvements for FuncDesigner

[sage-support] [ANN] OpenOpt Suite release 0.42

Hi all, I'm glad to inform you about new OpenOpt Suite release 0.42 (2012-Sept-15). Main changes: *Some improvements for solver interalg http://openopt.org/interalg, including handling of categorical variables *Some parameters for solver gsubg http://openopt.org/gsubg *Speedup

[sage-support] [ANN] New free tool for TSP solving

Hi all, New free tool for TSP solving is available (for downloading as well) - OpenOpt TSP class: TSP http://openopt.org/TSP (traveling salesman problem). It is written in Python, uses NetworkX http://networkx.lanl.gov/ graphs on input (another BSD-licensed Python library, de-facto

[sage-support] Re: [ANN] New free tool for TSP solving

On Monday, 3 September 2012 06:57:41 UTC+3, Nathann Cohen wrote: Hell !! New free tool for TSP solving is available (for downloading as well) - OpenOpt TSP class: TSP http://openopt.org/TSP (traveling salesman problem). Oh ! Nice ! Is it possible to read its

[sage-support] New Python tool for searching maximum stable set of a graph

and excludedNodes - nodes that have to be present/absent in solution. See http://openopt.org/STAB for details. Future plans (probably very long-term although) include TSP and some other graph problems with similar API and possibilities. - Regards, Dmitrey. -- To post

[sage-support] OpenOpt Suite release 0.39

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

[sage-support] [ANN] Optimization with categorical variables, disjunctive (and other logical) constraints

hi all, free solver interalg http://openopt.org/interalg for global nonlinear optimization with specifiable accuracy now can handle categorical variables, disjunctive (and other logical) constraints, thus making it available to solve GDP, possibly in multiobjective form. There are ~ 2 months

[sage-support] [ANN] new release 0.38 of OpenOpt, FuncDesigner, SpaceFuncs, DerApproximator

Hi all, I'm glad to inform you about new release 0.38 (2012-March-15): OpenOpt: interalg can handle discrete variables interalg can handle multiobjective problems (MOP) interalg can handle problems with parameters fixedVars/freeVars Many interalg improvements and some bugfixes

[sage-support] [ANN] new solver for multi-objective optimization problems

hi, I'm glad to inform you about new Python solver for multiobjective optimization (MOP: Some changes committed to solver interalg (http://openopt.org/ interalg) made it capable of handling global nonlinear constrained multiobjective problem (MOP), see the page http://openopt.org/MOP for more

[sage-support] [ANN] global constrained optimization solver with discrete variables and specifiable accuracy

hi all, I've done support of discrete variables for interalg (http:// openopt.org/interalg) - free (license: BSD) global optimization solver with specifiable accuracy, you can take a look at an example here:

[sage-support] Ann: OpenOpt and FuncDesigner 0.37

Hi all, I'm glad to inform you about new release 0.37 (2011-Dec-15): OpenOpt (numerical optimization): IPOPT initialization time gap (time till first iteration) for FuncDesigner models has been decreased Some improvements and bugfixes for interalg, especially for search all SNLE

[sage-support] [ANN] New free multifactor analysis tool for experiment planning

. Maybe other (alternative) engines will be available in future. See its webpage for details: http://openopt.org/MultiFactorAnalysis Regards, Dmitrey. -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr

[sage-support] [ANN] ODE dy/dt = f(t) solver with guaranteed specifiable accuracy

hi all, now free solver interalg (http://openopt.org/interalg , based on interval analysis) can solve ODE dy/dt = f(t) with guaranteed specifiable accuracy. For more details see http://openopt.org/ODE , there is an example of comparison with scipy.integrate.odeint, where latter fails to solve a

[sage-support] [ANN} OpenOpt, FuncDesigner, DerApproximator, SpaceFuncs release 0.36

Hi all, new release of our free soft (OpenOpt, FuncDesigner, DerApproximator, SpaceFuncs) v. 0.36 is out: OpenOpt: Now solver interalg can handle all types of constraints and integration problems Some minor improvements and code cleanup FuncDesigner: Interval analysis now can

[sage-support] [ANN] Numerical integration with guaranteed precision by interalg

Hi all, some ideas implemented in the solver interalg (INTERval ALGorithm) that already turn out to be more effective than its competitors in numerical optimization appears to be extremely effective in numerical integration with guaranteed precision. Here are some examples where interalg works

[sage-support] [ANN] OpenOpt suite 0.34

Hi all, I'm glad to inform you about new quarterly release 0.34 of the OOSuite package software (OpenOpt, FuncDesigner, SpaceFuncs, DerApproximator) . Main changes: * Python 3 compatibility * Lots of improvements and speedup for interval calculations * Now interalg can obtain all solutions of

[sage-support] how to prevent sage server from hanging up?

hi all, our sage server has very limited hardware, and last time lots of people use it, making it very often to hang up, so even ssh doesn't work (in-place reboot is required). Which is the best way to prevent it? (I mean any parameters in sage configuration, or mb Linux configuration)? Thank you

[sage-support] [ANN] Guaranteed solution of nonlinear equation(s)

Hi all, I have made my free Python-written solver interalg (http://openopt.org/ interalg) be capable of solving nonlinear equations and systems of them. Unlike scipy optimize fsolve it doesn't matter which functions are involved - convex, nonconvex, multiextremum etc. Even some discontinuous funcs

[sage-support] [ANN] OpenOpt Suite release 0.33

of geometric equations and numerical optimization with automatic differentiation): * Some bugfixes DerApproximator: * Adjusted with some changes in FuncDesigner For more details visit our site http://openopt.org. Regards, Dmitrey. -- To post to this group, send email to sage-support

[sage-support] [ANN] New package: SpaceFuncs (2D, 3D, ND geometric modeling, optimization, solving)

Regards, Dmitrey. -- 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

[sage-support] ANN: OpenOpt and FuncDesigner release 0.32

Hi all, I'm glad to inform you about new quarterly OpenOpt/FuncDesigner release (0.32): OpenOpt: * New class: LCP (and related solver) * New QP solver: qlcp * New NLP solver: sqlcp * New large-scale NSP (nonsmooth) solver gsubg. Currently it still requires lots of improvements (especially for

[sage-support] ANN: OpenOpt 0.31, FuncDesigner 0.21, DerApproximator 0.21

approximation) For release details see http://forum.openopt.org/viewtopic.php?id=299 or visit our homepage http://openopt.org Regards, Dmitrey -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr

[sage-support] Re: ANN: OpenOpt 0.31, FuncDesigner 0.21, DerApproximator 0.21

to version 0.28 of openopt. Please upload the latest versions. On Sep 15, 6:18 am, dmitrey dmitrey.kros...@scipy.org wrote: Hi all, I'm glad to inform you about new releases of our completely free (BSD license) Python-written software: * OpenOpt 0.31 (numerical optimization) * FuncDesigner

[sage-support] [ANN] OpenOpt 0.29, FuncDesigner 0.19, DerApproximator 0.19

, Dmitrey. -- 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

[sage-support] solving ODE by FuncDesigner with automatic differentiation

Hi all, if anyone is interested, I have implemented possibility to model ODE in FuncDesigner and solve it, involving automatic differentiation. For examples and more details see http://openopt.org/FuncDesignerDoc#Solving_ODE Regards, D. -- To post to this group, send email to

[sage-support] Re: is it possible to build sage with mpi support?

: On Mon, May 10, 2010 at 1:47 PM, dmitrey dmitrey.kros...@scipy.org wrote: hi all, is it possible to build sage with mpi support (openmpi), for to perform things like mpirun -np 4 sage myfile.py? Thank you in advance, D. It's definitely possible.  And if you care enough you'll surely

[sage-support] is it possible to build sage with mpi support?

hi all, is it possible to build sage with mpi support (openmpi), for to perform things like mpirun -np 4 sage myfile.py? Thank you in advance, D. -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to

[sage-support] SAGE server in Ukraine

repository each server reboot. However you should be aware that our hardware is very primitive yet (Intel Xeon 5500 3.2GHz, HDD 30 Gb, 1 Gb RAM) and thus you shouldn't use it for mature problems. Regards, Dmitrey. -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from

[sage-support] [ANN] OpenOpt 0.28, FuncDesigner 0.18, DerApproximator 0.18

Hi all, I'm glad to inform you about new release of our free (BSD-licensed) soft OpenOpt 0.28 (numerical optimization), FuncDesigner 0.18 (CAS with automatic differentiation), DerApproximator 0.18 (finite- differeces derivatives approximation). More details here:

[sage-support] [ANN] OpenOpt 0.27 (optimization), FuncDesigner 0.17 (auto differentiation)

Hi all, I'm glad to inform you about release of OpenOpt 0.27 (numerical optimization framework), FuncDesigner 0.17 (CAS with automatic differentiation, convenient modelling of linear/nonlinear functions, can use convenient modelling for some OpenOpt optimization problems and systems of

[sage-support] ANN: FuncDesigner 0.15 - free Python-written framework with automatic differentiation

FuncDesigner is cross-platform (Windows, Linux, Mac OS etc) Python- written framework with automatic differentiation (http:// en.wikipedia.org/wiki/Automatic_differentiation). License BSD allows to use it in both open- and closed-code soft. It has been extracted from OpenOpt framework as a

[sage-support] ANN: OpenOpt 0.25 - free Python-written numerical optimization framework with automatic differentiation

OpenOpt is cross-platform (Windows, Linux, Mac OS etc) Python-written framework. If you have a model written in FuncDesigner (http:// openopt.org/FuncDesigner), you can get 1st derivatives via automatic differentiation (http://en.wikipedia.org/wiki/ Automatic_differentiation) (some examples here:

[sage-support] ANN: FuncDesigner 0.15RC, DerApproximator 0.15RC, OpenOpt 0.25RC

Hi all, I would like to inform you about new packages - FuncDesigner and DerApproximator. They have been extracted from OpenOpt into standalone Python modules. FuncDesigner is a convenient tool for building functions and getting their derivatives via Automatic differentiation

[sage-support] ANN: openopt 0.24 - free numerical optimization framework

Hi all, OpenOpt 0.24, a free Python-written numerical optimization framework with some own solvers and connections to tens of 3rd party ones, has been released. BSD license allows to use it in both free opensource and commercial closed-code software. Currently we have ~80 unique visitors daily,

[sage-support] ANN: OpenOpt 0.23 - free numerical optimization framework

Hi all, OpenOpt 0.23, a free Python-written numerical optimization framework (license: BSD) with some own solvers and connections to tens of 3rd party ones, has been released. Our new homepage: http://openopt.org Introduction to the framework: http://openopt.org/Foreword All release details

[sage-support] [numerical optimization] Poll what do you miss in OpenOpt framework

://openopt.org I intend to take you opinions into account till next OpenOpt release 0.23 (2009-03-15) Thank you in advance, Dmitrey --~--~-~--~~~---~--~~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email

[sage-support] OpenOpt 0.21 (free optimization framework)

to the numerical optimization forum at openopt.org: http://forum.openopt.org Regards, Dmitrey. --~--~-~--~~~---~--~~ 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