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PHP math-php 본문

Language/PHP

PHP math-php

푸른바람 C/H 2017.06.01 08:30

Powerful modern math library for PHP: Features descriptive statistics and regressions; Continuous and discrete probability distributions; Linear algebra with matrices and vectors, Numerical analysis; special mathematical functions; Algebra
PHP를위한 강력한 현대 수학 라이브러리 : 설명적인 통계 및 회귀 분석 기능; 연속적이고 이산 된 확률 분포; 행렬 및 벡터를 이용한 선형 대수학, 수치 해석; 특별한 수학 함수; 대수학

MathPHP is the only library you need to integrate mathematical functions into your applications. It is a self-contained library in pure PHP with no external dependencies.
MathPHP는 수학 함수를 응용 프로그램에 통합하는 데 필요한, 외부 의존성이없는 순수한 PHP의 독립적 라이브러리.

Minimum Requirements

  • PHP7

Install composer

$ composer search math-php
markrogoyski/math-php Math Library for PHP. Features descriptive statistics and regressions; Continuous and discrete probability
...

$ composer require markrogoyski/math-php
./composer.json has been created
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 1 install, 0 updates, 0 removals
  - Installing markrogoyski/math-php (v0.29.0): Downloading (100%)
Writing lock file
Generating autoload files

Use

require_once(__DIR__ . '/vendor/autoload.php');
use MathPHP\Algebra;

// Greatest common divisor (GCD)
$gcd = Algebra::gcd(8, 12);

// Extended greatest common divisor - gcd(a, b) = a*a' + b*b'
$gcd = Algebra::extendedGcd(12, 8); // returns array [gcd, a', b']

// Least common multiple (LCM)
$lcm = Algebra::lcm(5, 2);

// Factors of an integer
$factors = Algebra::factors(12); // returns [1, 2, 3, 4, 6, 12]

// Quadradic equation
// list($a, $b, $c) = [1, 2, -8]; // x² + 2x - 8
// list($x₁, $x₂)   = Algebra::Quadradic($a, $b, $c);
// var_dump( $x₁, $x₂ );
// php7.1.5 Algebra::Quadradic 2.9 버전에서 : PHP Fatal error:  Uncaught Error: Call to undefined method MathPHP\Algebra::Quadradic()

// Cubic equation
list($a₃, $a₂, $a₁, $a₀) = [2, 9, 3, -4]; // 2x³ + 9x² + 3x -4
list($x₁, $x₂, $x₃)      = Algebra::cubic($a₃, $a₂, $a₁, $a₀);
var_dump( $x₁, $x₂, $x₃ );

// Quartic equation
list($a₄, $a₃, $a₂, $a₁, $a₀) = [1, -10, 35, -50, 24]; // z⁴ - 10z³ + 35z² - 50z + 24 = 0
list($z₁, $z₂, $z₃, $z₄)      = Algebra::quartic($a₄, $a₃, $a₂, $a₁, $a₀);
var_dump($z₁, $z₂, $z₃, $z₄);


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