Gourt > Computers > Programming > Languages > Fortran > Source Code > Optimization
In mathematics, optimization is the discipline which is concerned with finding the maxima and minima of functions, possibly subject to constraints. An example of an optimization problem is the following: maximize the profit of a manufacturing operation while ensuring that none of the resources exceed certain limits and also satisfying as much of the demand faced as possible. Optimization has many practical applications in logistics and design problems.
In computer science, optimization is the process of improving a system in certain ways to reduce the effective runtime, the bandwidth or memory requirements. Despite its name, optimization does not necessarily mean finding the optimum solution to a problem. Often this is not possible, and heuristic algorithms must be used instead.
In internet marketing, search engine optimization (SEO) is a set of methodologies aimed at improving the ranking of a website in search engine listings. The term also refers to an industry of consultants that carry out optimization projects on behalf of client sites.
More on [ Optimization ]
Linear Programming and Optimization :: Software
@Scobleizer I would say seo may change perspective from seo to optimization of searchable social data, optimization and search still high
sameera_cmc (Sameer Shaikh) Wed, 16 Dec 2009 19:59:49 -0000
@Scobleizer I would say seo may change perspective from seo to optimization of searchable social data, optimization and search still high
Blue Archer's AccuCMS Upgrade Enhances Search Engine Optimization Capabilities for E-commerce Web.. http://bit.ly/7A6W0p #googlesniper
GetGoogleSniper (Jamie 'GoogleSniper') Wed, 16 Dec 2009 19:59:37 -0000
Blue Archer's AccuCMS Upgrade Enhances Search Engine Optimization Capabilities for E-commerce Web.. http://bit.ly/7A6W0p #googlesniper
SEO / SEM Use Search Engine Marketing Optimization to get more customers. http://bit.ly/7MGwam
gossettbrian (Brian Gossett) Wed, 16 Dec 2009 19:59:17 -0000
SEO / SEM Use Search Engine Marketing Optimization to get more customers. http://bit.ly/7MGwam
SEO Optimization Required on Blog for Incitetech by justinsuser: We are looking for a professional that c... http://cli.gs/tRg1N #seo #jobs
top_seo_jobs (SEO jobs) Wed, 16 Dec 2009 19:58:13 -0000
SEO Optimization Required on Blog for Incitetech by justinsuser: We are looking for a professional that c... http://cli.gs/tRg1N #seo #jobs
Tech Library: Virtualized Datacenter: Real-World Optimization http://krz.ch/JqX
RedmondShowcase (Redmond Showcase) Wed, 16 Dec 2009 19:57:20 -0000
Tech Library: Virtualized Datacenter: Real-World Optimization http://krz.ch/JqX
Tech Library: Virtualized Datacenter: Real-World Optimization http://krz.ch/JqW
VSMdev (VisualStudioMagazine) Wed, 16 Dec 2009 19:56:13 -0000
Tech Library: Virtualized Datacenter: Real-World Optimization http://krz.ch/JqW
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.
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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.
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Functional Minimization using Simulated Annealing - Program minimizes a function using a straightforward Metropolis algorithm.
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.
Genetic Algorithms - For use in designing composite materials, by Layne T. Watson.
Global Optimization - Links to global optimization code, mainly in Fortran 77 and C, but some links to local minimizers as well.
Klaus Schittkowski's Optimization Software - Nonlinear programming codes: SQP, least squares, multicriteria optimization, data fitting in ODEs, DAEs, PDEs, PDAEs.
Ladislav Luksan Optimization Code - Fortran 77 codes for nondifferentiable, large-scale, or dense nonlinear optimization.
Lancelot - Fortran 77 package for solving unconstrained and constrained optimization problems, systems of nonlinear equations, and nonlinear least-squares problems.
Meta Description: [ The Numerical Analysis Group of CLRC, UK researches techniques for the solution of large-scale problems in science, engineering, operations research and economics ]
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.
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.
Modulopt Optimization Routines - Fortran 77 codes for unconstrained, bound constrained, and nonlinearly constrained optimization.
Netflow - Codes for network optimization.
Network Optimization Codes - By Dimitri P. Bertsekas.
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Nonlinear Constrained Optimization - Solves online constrained optimization problems specified by the user as Fortran programs.
Meta Description: [ Software Repository: Nonlinear Constrained Optimization ]
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).
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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.
Meta Description: [ Algorithms and software for
optimization problems in molecular modeling;
global optimization ]
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