Numerical optimization codes in Fortran. 1. CirCut - Fortran 90 package for finding approximate solutions of certain binary quadratic programs, currently including the Max-Cut and the Max-Bisection problems. 2. Computational Optimization and Applications - Codes from journal, in Fortran, Matlab, C, and C++. 3. 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. 4. Curvi - Solves nonlinear optimization problems. [Commercial] 5. Differential Evolution - Fortran 90 code implementing the Differential Evolution method, a simple but powerful population-based, stochastic function minimizer. 6. 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. 7. Genetic Algorithms - For use in designing composite materials, by Layne T. Watson. 8. Klaus Schittkowski's Optimization Software - Nonlinear programming codes: SQP, least squares, multicriteria optimization, data fitting in ODEs, DAEs, PDEs, PDAEs. 9. Lancelot - Fortran 77 package for solving unconstrained and constrained optimization problems, systems of nonlinear equations, and nonlinear least-squares problems. 10. Linear Programming - Ratfor code for the primal-dual log barrier form of the interior point LP solver of Lustig, Marsten and Shanno, ORSA J Opt 1992. 11. Minpack - Fortran 77 code for solving nonlinear equations and nonlinear least squares problems. Five algorithmic paths each include a core subroutine and an easy-to-use driver. The algorithms proceed either from an analytic specification of the Jacobian matrix or directly from the problem functions. 12. Modulopt Optimization Routines - Fortran 77 codes for unconstrained, bound constrained, and nonlinearly constrained optimization. 13. Network Optimization Codes - By Dimitri P. Bertsekas. 14. Nonlinear Constrained Optimization - Solves online constrained optimization problems specified by the user as Fortran programs. 15. 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. 16. Quadratic Assignment Problem Library (QAPLIB) - By R.E. Burkard, E. Çela, S.E. Karisch and F. Rendl. 17. 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). 18. SUBPLEX - Subspace-searching simplex method for the unconstrained optimization of general multivariate functions, generalizing the Nelder-Mead simplex method. 19. TRON - Trust region Newton method for the solution of large bound-constrained optimization problems, by Chih-Jen Lin and Jorge Moré. 20. Decision Tree for Optimization Software - Linear and non-linear optimization, constrained and unconstrained. Mainly Fortran 77 but some in C. 21. DONLP2 - Programs by Peter Spellucci for nonlinear programming. 22. Feasible Sequential Quadratic Programming (FSQP) - Code for minimization of the maximum of a set of smooth objective functions subject to general smooth constraints. 23. Galahad - Thread-safe library of Fortran 90 packages for solving nonlinear optimization problems, covering unconstrained and bound-constrained optimization, quadratic programming, nonlinear programming, systems of nonlinear equations and inequalities, and nonlinear least squares problems. 24. Global Optimization - Links to global optimization code, mainly in Fortran 77 and C, but some links to local minimizers as well. 25. Ladislav Luksan Optimization Code - Fortran 77 codes for nondifferentiable, large-scale, or dense nonlinear optimization. 26. Netflow - Codes for network optimization. 27. Opt - Optimization codes at Netlib. 28. Pikaiai - General-purpose optimization subroutine based on a genetic algorithm, in Fortran 90. 29. Projection-Type Methods for Large Quadratic Programs - Fortran 77 code by Valentia Ruggiero for large and sparse convex quadratic programs.

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