note 41870 deleted from function.pow by victor
| From: | victor@php.net | Date: | Tue, 16 Aug 2005 12:04:06 +0000 |
| Subject: | note 41870 deleted from function.pow by victor | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-93727@lists.php.net to get a copy of this message | ||
Note Submitter: Matt AKA Junkie
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Using pow(), a simplistic n-root function can be made.
<?
// precond: $n = n-root, $num = number to 'n-root'
// postcond: returns $n-root of $num
function n_root($n, $num)
{
return (float) pow($num, (1/$n)); // basic algebra
}
?>