public override object Evaluate()
{
CPolynomial poly = LeftExpression.EvaluateAsCPolynomial();
int order = RightExpression.EvaluateAsInt32();
return(new CMatrix(poly.NthDerivative(order).ToArray()));
}
public void NthDerivativeTest_Analytical()
{
//arrange
CPolynomial target = new CPolynomial(new Complex[] { 5, 8, -14, 3, 6, -22 });
CPolynomial expected = new CPolynomial(new Complex[] { 18, 144, -1320 });
//action
CPolynomial actual = target.NthDerivative(3);
//assert
actual.Should().Be(expected);
}
public void NthDerivativeTest()
{
//arrange
CPolynomial target = new CPolynomial(new Complex[] { 5, 8, -14, 3, 6, -22 });
Complex c = 3;
Complex expected = -11430;
//action
Complex actual = target.NthDerivative(3, c);
//assert
actual.Should().Be(expected);
}
public void NthDerivativeTest_Analytical()
{
//arrange
CPolynomial target = new CPolynomial(new Complex[] { 5, 8, -14, 3, 6, -22 });
CPolynomial expected = new CPolynomial(new Complex[] { 18, 144, -1320 });
//action
CPolynomial actual = target.NthDerivative(3);
//assert
actual.Should().Be(expected);
}
public void NthDerivativeTest()
{
//arrange
CPolynomial target = new CPolynomial(new Complex[] { 5, 8, -14, 3, 6, -22 });
Complex c = 3;
Complex expected = -11430;
//action
Complex actual = target.NthDerivative(3, c);
//assert
actual.Should().Be(expected);
}