MathPHP\Functions\SpecialTest::testSigmoid PHP Method

    public function testSigmoid()
    {
        $this->assertEquals(Special::logistic(1, 1, 1, 2), Special::sigmoid(1));
        $this->assertEquals(Special::logistic(1, 1, 2, 2), Special::sigmoid(2));
        $this->assertEquals(Special::logistic(1, 1, 3, 2), Special::sigmoid(3));
        $this->assertEquals(Special::logistic(1, 1, 4, 2), Special::sigmoid(4));
        $this->assertEquals(Special::logistic(1, 1, 4.6, 2), Special::sigmoid(4.6));
    }