MathPHP\Functions\Special::complementaryErrorFunction PHP Method

Complementary error function (erfc) erfc(x) ≡ 1 - erf(x)

public static complementaryErrorFunction ( number $x ) : number
$x	number
return	number

    public static function complementaryErrorFunction($x)
    {
        return 1 - self::erf($x);
    }

Special