| Current Path : /var/www/ljmtc/cbt/lib/mlbackend/php/phpml/src/Phpml/Math/Distance/ |
| Current File : /var/www/ljmtc/cbt/lib/mlbackend/php/phpml/src/Phpml/Math/Distance/Euclidean.php |
<?php
declare(strict_types=1);
namespace Phpml\Math\Distance;
/**
* Class Euclidean
*
* L^2 Metric.
*/
class Euclidean extends Distance
{
/**
* Euclidean constructor.
*/
public function __construct()
{
parent::__construct(2.0);
}
/**
* Square of Euclidean distance
*
* @throws \Phpml\Exception\InvalidArgumentException
*/
public function sqDistance(array $a, array $b): float
{
return $this->distance($a, $b) ** 2;
}
}