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

    public static function CDF($x, $μ, $s)
    {
        Support::checkLimits(self::LIMITS, ['x' => $x, 'μ' => $μ, 's' => $s]);
        $ℯ＾⁻⁽x⁻μ⁾／s = exp(-($x - $μ) / $s);
        return 1 / (1 + $ℯ＾⁻⁽x⁻μ⁾／s);
    }