Network Optimization Codes
By Dimitri P. Bertsekas.
Nonlinear Constrained Optimization
Solves online constrained optimization problems specified by the user as Fortran programs.
Opt
Optimization codes at Netlib.
Optimization Software Developed by J. Nocedal's Research Team
KNITRO, General Nonlinear Programming Solver; L-BFGS, Limited Memory Codes; PREQN, Preconditioning the Conjugate Gradient Method; and CG+, Conjugate Gradient Software.
Pikaiai
General-purpose optimization subroutine based on a genetic algorithm, in Fortran 90.
Projection-Type Methods for Large Quadratic Programs
Fortran 77 code by Valentia Ruggiero for large and sparse convex quadratic programs.
Quadratic Assignment Problem Library (QAPLIB)
By R.E. Burkard, E. Çela, S.E. Karisch and F. Rendl.
Stanford Business Software
Sells Fortran 77 optimization codes MINOS (linear programming and nonlinear optimization), SNOPT (large-scale quadratic and nonlinear programming), NPSOL (nonlinear programming), LSSOL (Linearly constrained linear least squares problems and convex quadratic programmmin), and QPOPT (linear and quadratic programming).
SUBPLEX
Subspace-searching simplex method for the unconstrained optimization of general multivariate functions, generalizing the Nelder-Mead simplex method.
TRON
Trust region Newton method for the solution of large bound-constrained optimization problems, by Chih-Jen Lin and Jorge Moré.
CirCut
Fortran 90 package for finding approximate solutions of certain binary quadratic programs, currently including the Max-Cut and the Max-Bisection problems.
Computational Optimization and Applications
Codes from journal, in Fortran, Matlab, C, and C++.
Constrained and Unconstrained Testing Environment, revisted (CUTEr)
Testing environment for optimization and linear algebra solvers. The package contains a collection of test problems, along with Fortran 77, Fortran 90/95 and Matlab tools intended to help developers design, compare and improve new and existing solvers.
Curvi
Solves nonlinear optimization problems. [Commercial]
Decision Tree for Optimization Software
Linear and non-linear optimization, constrained and unconstrained. Mainly Fortran 77 but some in C.
Differential Evolution
Fortran 90 code implementing the Differential Evolution method, a simple but powerful population-based, stochastic function minimizer.
DONLP2
Programs by Peter Spellucci for nonlinear programming.
Feasible Sequential Quadratic Programming (FSQP)
Code for minimization of the maximum of a set of smooth objective functions subject to general smooth constraints.
Fortran Genetic Algorithm
Initializes a random sample of individuals with different parameters to be optimized using the genetic algorithm approach -- evolution via survival of the fittest. By David Carroll.
Functional Minimization using Simulated Annealing
Program minimizes a function using a straightforward Metropolis algorithm.
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