PHP Classes

Numerical: Perform numerical and statistical functions

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Last Updated Ratings Unique User Downloads Download Rankings  
2011-04-30 (4 years ago) RSS 2.0 feedStarStarStar 54%Total: 1,697 All time: 2,211 This week: 1,063Up
Version License PHP version Categories  
numerical 1.0.0Custom (specified...4Algorithms, Math
Description Author  

This class performs several types of numerical and statistical functions.

Currently, it generates gaussian normal distributions, does numerical integration of arbitrary functions, generates random numbers with gaussian distributions, provides a number of standard statistical functions, e.g., mean, standard deviation, variance, etc., has two different methods of solving for the roots of an equation (bisection and steepest descent), converts floating point to rational number representation (useful for infinite precision calculations), generates a Sieve of Erastophenes for a specified integer, factors integers into their prime factors, finds the minimum or maximum value of a function within a specified interval, solves simultaneous equations, inverts matrices using gaussian elimination, calculates variance and covariance and has interfaces for vector addition, division and multiplication.

The minimum/maximum functions now support all datatypes who support a > or < operator.

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  Files folder image Files  
File Role Description
Plain text file class.Numerical.php Class Class file containing numerical functions
Accessible without login Plain text file example.php Example example of use of Numerical functions
Accessible without login Plain text file license.txt Lic. Modified NetBSD license used here
Accessible without login Plain text file Data Document generation script

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