public void NaturalFitsAtArbitraryPointsWithMaple(double t, double x, double maxAbsoluteError)
{
IInterpolation interpolation = new CubicSplineInterpolation(_t, _x);
Assert.AreEqual(x, interpolation.Interpolate(t), maxAbsoluteError, "Interpolation at {0}", t);
var actual = interpolation.DifferentiateAll(t);
Assert.AreEqual(x, actual.Item1, maxAbsoluteError, "Interpolation as by-product of differentiation at {0}", t);
}
public void FixedSecondDerivativeFitsAtArbitraryPointsWithMaple(double t, double x, double maxAbsoluteError)
{
IInterpolation interpolation = new CubicSplineInterpolation(_t, _x, SplineBoundaryCondition.SecondDerivative, -5.0, SplineBoundaryCondition.SecondDerivative, -1.0);
Assert.AreEqual(x, interpolation.Interpolate(t), maxAbsoluteError, "Interpolation at {0}", t);
var actual = interpolation.DifferentiateAll(t);
Assert.AreEqual(x, actual.Item1, maxAbsoluteError, "Interpolation as by-product of differentiation at {0}", t);
}
public void NaturalFitsAtSamplePoints()
{
IInterpolation interpolation = new CubicSplineInterpolation(_t, _x);
for (int i = 0; i < _x.Length; i++)
{
Assert.AreEqual(_x[i], interpolation.Interpolate(_t[i]), "A Exact Point " + i);
var actual = interpolation.DifferentiateAll(_t[i]);
Assert.AreEqual(_x[i], actual.Item1, "B Exact Point " + i);
}
}
public void FixedSecondDerivativeFitsAtSamplePoints()
{
IInterpolation interpolation = new CubicSplineInterpolation(_t, _x, SplineBoundaryCondition.SecondDerivative, -5.0, SplineBoundaryCondition.SecondDerivative, -1.0);
for (int i = 0; i < _x.Length; i++)
{
Assert.AreEqual(_x[i], interpolation.Interpolate(_t[i]), "A Exact Point " + i);
var actual = interpolation.DifferentiateAll(_t[i]);
Assert.AreEqual(_x[i], actual.Item1, "B Exact Point " + i);
}
}
public void FixedFirstDerivativeFitsAtArbitraryPointsWithMaple(double t, double x, double maxAbsoluteError)
{
IInterpolation interpolation = new CubicSplineInterpolation(_t, _x, SplineBoundaryCondition.FirstDerivative, 1.0, SplineBoundaryCondition.FirstDerivative, -1.0);
Assert.AreEqual(x, interpolation.Interpolate(t), maxAbsoluteError, "Interpolation at {0}", t);
var actual = interpolation.DifferentiateAll(t);
Assert.AreEqual(x, actual.Item1, maxAbsoluteError, "Interpolation as by-product of differentiation at {0}", t);
}
public void NaturalFitsAtSamplePoints()
{
IInterpolation interpolation = new CubicSplineInterpolation(_t, _x);
for (int i = 0; i < _x.Length; i++)
{
Assert.AreEqual(_x[i], interpolation.Interpolate(_t[i]), "A Exact Point " + i);
var actual = interpolation.DifferentiateAll(_t[i]);
Assert.AreEqual(_x[i], actual.Item1, "B Exact Point " + i);
}
}
public void NaturalFitsAtArbitraryPointsWithMaple(double t, double x, double maxAbsoluteError)
{
IInterpolation interpolation = new CubicSplineInterpolation(_t, _x);
Assert.AreEqual(x, interpolation.Interpolate(t), maxAbsoluteError, "Interpolation at {0}", t);
var actual = interpolation.DifferentiateAll(t);
Assert.AreEqual(x, actual.Item1, maxAbsoluteError, "Interpolation as by-product of differentiation at {0}", t);
}
public void FixedSecondDerivativeFitsAtSamplePoints()
{
IInterpolation interpolation = new CubicSplineInterpolation(_t, _x, SplineBoundaryCondition.SecondDerivative, -5.0, SplineBoundaryCondition.SecondDerivative, -1.0);
for (int i = 0; i < _x.Length; i++)
{
Assert.AreEqual(_x[i], interpolation.Interpolate(_t[i]), "A Exact Point " + i);
var actual = interpolation.DifferentiateAll(_t[i]);
Assert.AreEqual(_x[i], actual.Item1, "B Exact Point " + i);
}
}