PHP Combinatorics示例

 /**
  * Axiom: L(n,n) = 1
  * Lah number identity when n = n
  *
  * @dataProvider dataProivderForLahNumberIdentities
  */
 public function testLahNumberIdentityNNEqualsOne(int $n)
 {
     $L⟮n、n⟯ = Combinatorics::lahNumber($n, $n);
     $this->assertEquals(1, $L⟮n、n⟯);
 }

示例#2

显示文件

文件： CombinatoricsTest.php 项目： markrogoyski/math-php

 public function testLahNumberExceptionNLessThanK()
 {
     $this->setExpectedException('MathPHP\\Exception\\OutOfBoundsException');
     $k = 4;
     $n = 2;
     Combinatorics::lahNumber($n, $k);
 }