Load Optimization
The function tep_get_category_tree is the one that creates the contents of the drop-down menu (the one that starts with Top) in the top right corner of the categories.php page in the admin section. In the 2.2MS2 version of osCommerce it is very inefficient as relating to mySQL queries. It queries...
Platforms: Windows, *nix, PHP, BSD
License: Freeware | Download (54): tep_get_category_tree optimization Download |
Two programs are attached: sa_demo demonstrates how the simualted annealing works for simple functions, while sa_mincon solves a welded beam design problem using simulated annealing, which can easily be used to solve other constrained optimization problems in engineering design.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Simulated Annealing for Constrained Optimization Download |
This is a demo program of the paper J. Tian, W. Yu, and L. Ma, "AntShrink: Ant colony optimization for image shrinkage," Pattern Recognition Letters, Vol. 31, Oct. 2010, pp. 1751-1758.
Platforms: Matlab
License: Freeware | Size: 491.52 KB | Download (41): AntShrink: Ant colony optimization for image shrinkage Download |
NSGA-II is a very famous multi-objective optimization algorithm. I submitted an example previously and wanted to make this submission useful to others by creating it as a function. Even though this function is very specific to benchmark problems, with a little bit more modification this can be...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (48): NSGA - II: A multi-objective optimization algorithm Download |
It is a hill climbing optimization algorithm for finding the minimum of a fitness function in the real space. The space should be constrained and defined properly. It attempts steps on every dimension and proceeds searching to the dimension and the direction that gives the lowest value of the...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (51): Hill climbing optimization Download |
This submission contains the demo files used in the Global Optimization with MATLAB webinar: http://www.mathworks.com/wbnr43346MultStart Demos * Peaks Minimization * Nonlinear Curve FittingGlobalSearch Demos * Peaks Minimization * Volumentric Efficiency MaximizationSimulated Annealing Demos *...
Platforms: Matlab
License: Freeware | Size: 1.19 MB | Download (52): Global Optimization with MATLAB Download |
This is an accelerated PSO (APSO), developed by Xin-She Yang in 2008. APSO does not use velocities or any inertia parameter.A full program for solving nonlinear constrained optimization problem (welded beam design as an example) is provided, which can be extended to solve other continuous...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Accelerated Particle Swarm Optimization Download |
** Update: The webinar recording is available at:http://www.mathworks.com/company/events/we.../wbnr51423.htmlThis example demonstrates building a short term electricity load (and price) forecasting system with MATLABdlT«. Two non-linear regression models (Neural Networks and Bagged Regression...
Platforms: Matlab
License: Freeware | Size: 12.55 MB | Download (52): Electricity Load and Price Forecasting Webinar Case Study Download |
The Particle Swarm Optimization Research Toolbox was written to assist with thesis research combating the premature convergence problem of particle swarm optimization (PSO). The control panel offers ample flexibility to accommodate various research directions. After specifying your intentions,...
Platforms: Matlab
License: Freeware | Size: 1.92 MB | Download (42): Particle Swarm Optimization Research Toolbox Download |
Demo files for MathWorks webinar "Introduction to Simulink Design Optimization" which occured on 3/26/2009.The recording is available here:http://www.mathworks.com/company/events/we...59&p2=493937477
Platforms: Matlab
License: Freeware | Size: 358.4 KB | Download (53): Introduction to Simulink Design Optimization Download |
Introduction to Stochastic Search and Optimization is an overview of the principles, algorithms, and practical aspects of stochastic optimization, including applications drawn from engineering, statistics, and computer science. The book may serve as either a reference book for researchers and...
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (47): Stochastic Search and Optimization Download |
Implements the Complex Method of Constrained Optimization, as proposed by Box (1965), improved by Guin (1968) and Krus (1992), and following the method in Andresson (2001). This is capable of optimizing a "black-box" system with few constraints on the optimization function and requiring no...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): Complex Method of Optimization Download |
It estimates the Newton Raphson optimization procedure for (m) unknowns of (n) non-linear equations. In case no Jacobian vector is presented, then the initial Jacobian vector is estimated by Broyden Method (multivariate secant approach) and it is then updated using the Sherman Morrison...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (52): Newton Raphson Optimization Procedure Download |
Non Convex Optimization Algorithms for Group SparsitySolves a dummy OFDM sparse channel estimation problemReweighted Lm,p algorithm for noiseless case min||x||_m,p s.t. y = AxReweighted Lm,p algorithm for noisy case min||x||_2,p s.t. ||y - Ax||_qSmoothed L2,0 algorithm solves a smooth version...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Non Convex Algorithms for Group Sparse Optimization Download |
M-files accompanying the webinar titled "New Approaches to Constrained Optimization in MATLAB" held on November 05, 2005These files provide what you need to run the two demos:1) The first demo is a demonstration of bound constrained optimization of non-smooth objective function using GA and also...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): New Approaches to Constrained Optimization in MATLAB Download |
We present a set of functions based on interval arithmetic to solve small size global optimization problems with guaranteed bounds on solutions. Interval analysis can be used to bound ALL solutions of nonlinear optimization problem, equality constrained or not as well to bound ALL solutions of a...
Platforms: Matlab
License: Freeware | Size: 51.2 KB | Download (41): INTSOLVER: An interval based solver for Global Optimization Download |
This folder contains a word document (optimization_problem_wth_solution.doc) that contains a description for an optimization problem along with its solution. The folder contains two m-script file that contain the solution for the Gradient_Descent_minimum and Gradient_Descent_maximum problems...
Platforms: Matlab
License: Freeware | Size: 819.2 KB | Download (41): Derivative-based Optimization Download |
This package includes files for modelling nonlinear dynamic systems using a recurrent generalized neural network. The learning scheme uses the complex method of nonlinear nonderivative optimization, thereby avoiding the problems of computing the derivative of an infinite impulse response filter...
Platforms: Matlab
License: Freeware | Size: 256 KB | Download (46): Complex Optimization of a Recurrent Neural Network Download |
"load_acq.m" will load BIOPAC's AcqKnowledge (ACQ) data to a structure containing ACQ header field and data matrix field.It is based on Application Note #156 from BIOPAC web site (see attachment). The note mentioned that: "This document describes file formatting for all Windows versions of...
Platforms: Matlab
License: Freeware | Size: 225.28 KB | Download (49): Load BIOPAC ACQ (AcqKnowledge for PC) data Download |
Matlab Toolbox for Submodular Function Optimization (v 2.0)By Andreas Krause (krausea@gmail.com).Slides, videos and detailed references available at http://www.submodularity.orgTested in MATLAB 7.0.1 (R14), 7.2.0 (R2006a), 7.4.0 (R2007a, MAC), 7.9.0 (MAC)This toolbox provides functions for...
Platforms: Matlab
License: Freeware | Size: 266.24 KB | Download (40): Submodular Function Optimization Download |