php-ml/docs/machine-learning/metric/distance/euclidean.md

Euclidean

Class for calculation Euclidean distance.

Euclidean

To calculate distance:

$a = [4, 6];
$b = [2, 5];
   
$euclidean = new Euclidean();
$euclidean->distance($a, $b);
// return 2.2360679774998