public void CalculateTest()
{
QuadraticFitThruZero target = new QuadraticFitThruZero();
//data for y = -7x +2xx
target.Points.Add(new DPoint(0, 0));
target.Points.Add(new DPoint(1, -5));
target.Points.Add(new DPoint(2, -6));
target.Points.Add(new DPoint(3, -3));
target.Points.Add(new DPoint(4, 4));
target.Points.Add(new DPoint(5, 15));
Matrix parameters = target.CalculateParameters();
Assert.AreEqual(3234, target.Calculate(42));
}
public void GetXTermsMatrixTest()
{
//data for y = -7x +2xx
QuadraticFitThruZero target = new QuadraticFitThruZero();
target.Points.Add(new DPoint(0, 0));
target.Points.Add(new DPoint(1, -5));
target.Points.Add(new DPoint(2, -6));
target.Points.Add(new DPoint(3, -3));
target.Points.Add(new DPoint(4, 4));
target.Points.Add(new DPoint(5, 15));
Matrix expected = new Matrix(new double[,]{
{0,0},
{1,1},
{2,4},
{3,9},
{4,16},
{5,25}});
Matrix actual = target.GetXTermsMatrix();
Assert.AreEqual(expected, actual);
}
public QuadraticThruZeroInterpolator(IEnumerable<DPoint> standards)
{
quadraticFit = new QuadraticFitThruZero();
quadraticFit.Points.AddRange(standards);
quadraticFit.CalculateParameters();
}
public QuadraticThruZeroInterpolator(IEnumerable <DPoint> standards)
{
quadraticFit = new QuadraticFitThruZero();
quadraticFit.Points.AddRange(standards);
quadraticFit.CalculateParameters();
}
public void ParametersTest()
{
//data for y = -7x +2xx
QuadraticFitThruZero target = new QuadraticFitThruZero();
target.Points.Add(new DPoint(0, 0));
target.Points.Add(new DPoint(1, -5));
target.Points.Add(new DPoint(2, -6));
target.Points.Add(new DPoint(3, -3));
target.Points.Add(new DPoint(4, 4));
target.Points.Add(new DPoint(5, 15));
Matrix parameters = target.CalculateParameters();
//x term
Assert.AreEqual("-7.0000", parameters[0, 0].ToString("0.0000"));
//x squared term
Assert.AreEqual("2.0000", parameters[1, 0].ToString("0.0000"));
}
