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 QuadraticThruZeroInterpolator(IEnumerable<DPoint> standards)
{
quadraticFit = new QuadraticFitThruZero();
quadraticFit.Points.AddRange(standards);
quadraticFit.CalculateParameters();
}
public override double[] Coefficients()
{
Matrix coefficients = quadraticFit.CalculateParameters();
return(new double[] { 0, coefficients[0, 0], coefficients[1, 0] });
}
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"));
}