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It's a function that finds the minimum value of a two variables objective
function with a deterministic zero order algorithm: simplex method.

The input variables are:
-fun: inline function of the objective function
-init_point: initial point for the simplex method
-step_size: initial dimension of the simplex
toll: tolerance for the stop criterion on the simplex dimension
-numMaxIter: stop criterion on...



This program computes the projection of any n-dimensional vector y onto the canonical simplex Dn defined by Dn:={x: x n-dimensional vector, 0



This is a single M-file that implements a Nelder-Mead simplex minimizer. It makes use of MATLAB's persistent variables to create a "state machine" implementation. This allows entire minimization programs to be written as MATLAB scripts,...



Here is a handy script that uses the simplex algorithm to compute an optimum list of refunds (for example, after a trip with shared expenses with friends).

It minimizes the number of transactions (refunds) required to reach the balance.



This directory contains a suite of files for performing the standard two phase simplex method on linear programming problems. The three files LINPROG.DOC, PHASEI.DOC and PHASEII.DOC are fully documented versions of the m-files LINPROG.M, PHASEI.M...



This modification of fminsearch solves an issue with this simplex implementation when the function to minimize is smooth at a high scale, but rough at a low scale, i.e. when plotted with the parameters axis being (?10,10), there is a clear global...



SIMPGRIDSEARCH Multi-dimensional unconstrained nonlinear minimization using grid search + Simplex method.

X = SIMPGDSEARCH(OBJFUN,GDVALUES) returns a vector X that is a minimizer of the function described in OBJFUN (usually an m file:...



The Logistic-Normal distribution [1] is a distribution over a simplex which forms a richer class of distributions than Dirichlets and better captures intercomponent correlations. We present the method for fitting a Hierarchical Logistic-Normal...



Refined procedures for solving and performing sensitivity analysis on uni and multi dimensional, local or global optimization problems which may or may not have linear constraints. Specialized Linear programming algorithms based on the Simplex...



This function is able to detect almost all types of properties/characteristics present in an LPP such as unbounded solution, alternate optima, degenaracy/cycling and infeasibilty. It only fails to work when there are redundant constraints present...



Consider the digraph with N vertices and M arcs
N Vertices of the graph is expressed by the numbers 1,d-deTZ,N.
Given the capacities of arcs, the demand functions of vertices and the cost functions of the arcs, then define the flow...



This is a (small) change to the current fminsearch routine to improve convergence.

The current fminsearch selects n additional simplex points based on a small change in each variable. This implementation uses an adaptive procedure to...



The aim of this simple benchmark is to illustrate the interest of restarting Nelder-Mead locally, from the last solution found, until no improvement is reached (to a given accuracy).
Also, it shows that fminsearch has great difficulties at...



Entropy_triangle is a function that implements two tools to analyze the behavior of multiple-class, or multi-class, classifiers by means of entropic measures on their confusion matrix or contingency table. First we obtain a balance equation on the...



This is a tool for creating database web applications. Includes a built-in binary file database and allows you to plug in an SQL database. Includes pre-made applications such as user poll, mailing list, guestbook, news script, and link manager.



Set up multiple electronic newsletters and allow visitors to pick and choose their subscriptions using a simple point and click interface. Features membership confirmation and compulsory subscriptions. Supports both sendmail and SMTP.



Manage multiple news pages, allow other users to submit, and post images to accompany your articles. Uses SSI and templates to integrate with your site's layout.



Display any number of counters on unlimited pages. Includes image, text, or invisible counters. Four image sets included.



Linear programming library that incorporates the power of linear programming solver and simplicity of integration to Borland Delphi, Borland C++ Builder and other that support a DLL import. The maximum number of constraints and variables is...



Auto2Fit is a revolution tools and beats all other simliar ones in the area of nonlinear regression.Almost all data analysis software packages (SPSS, SAS, Statistical, Origin Pro, DataFit, Stata or Systat) need end-users to provide/guess initial...