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Example code of nivshah/simplex-calculator

Informations about the package simplex-calculator

Simplex Calculator

Forked from https://github.com/uestla/Simplex-Calculator

About

PHP library for solving linear programming problems using dual simplex algorithm.

NOTE: Basis cycling detection is not implemented.

Uses bcsub to calculate fractions from decimals in order to avoid floating point issues.

Installation

The recommended way is to use Composer:

You can also download the latest release as a ZIP file.

Conventions

Please name all your input variables as x<n> where <n> is a natural number (see example below for details).

Usage

Loading library

Defining and solving simplex tasks

Solutions

$solver->getSolutions() returns primary optimal solution. The value can be of 3 types:

By default, solver stops the calculation after 16 simplex tables. You can increase the maximum steps limit with the second parameter:

$solver->getAlternativeSolutions() returns array of other optimal solutions if any have been found. It may return:

All versions of simplex-calculator with dependencies

PHP Build Version
Package Version
Requires php Version >=5.3.0
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