MathPHP\LinearAlgebra\Vector::l2Norm PHP Метод

http://mathworld.wolfram.com/L2-Norm.html https://en.wikipedia.org/wiki/Norm_(mathematics)#Euclidean_norm ______ |x|₂ = √∑|xᵢ|²

public l2Norm ( ) : number
Результат	number

    public function l2Norm()
    {
        return sqrt(array_sum(Map\Single::square($this->A)));
    }

Vector