MathPHP\Probability\Distribution\Continuous\LogLogistic::CDF PHP Метод

    public static function CDF($x, $α, $β)
    {
        Support::checkLimits(self::LIMITS, ['x' => $x, 'α' => $α, 'β' => $β]);
        $⟮x／α⟯⁻ᵝ = pow($x / $α, -$β);
        return 1 / (1 + $⟮x／α⟯⁻ᵝ);
    }