public void TestDerivativeAlgorithmSwitch()
        {
            //Arrange
            GraphDrawer graphDrawer = new GraphDrawer();

            //Act
            graphDrawer.EnableAnalyticalDerivative();
            graphDrawer.EnableNewtonDerivative();

            //Assert
            Assert.AreEqual(graphDrawer.IsShowFunctionAnalyticalDerivative, false);
            Assert.AreEqual(graphDrawer.IsShowFunctionNewtonDerivative, true);
        }