/// <summary>
/// 1D interpolation
/// </summary>
/// <param name="x">Vector of X values of the function to interpolate</param>
/// <param name="y">Vector of Y values of the function to interpolate</param>
/// <param name="xi">Vector of X values at which interpolated Y values are required</param>
/// <param name="method">Interpolation method: InterpolationMethod.Linear, HermiteCubic or MonotoneHermiteCubicSpline</param>
/// <returns>Numeric array with specified inner element type</returns>
public static ILArray<double> interp1(ILArray<double> x, ILArray<double> y, ILArray<double> xi, InterpolationMethod method)
{
ILCurve<double> curve = new ILCurve<double>(x, y);
switch (method)
{
case InterpolationMethod.Linear:
return curve.GetValuesLinear(xi);
case InterpolationMethod.CubicSpline:
return curve.GetValuesCubicSpline(xi);
case InterpolationMethod.MonotoneHermiteCubicSpline:
return curve.GetValuesCubicSpline(xi);
default:
return curve.GetValuesLinear(xi);
}
}
/// <summary>
/// 1D interpolation
/// </summary>
/// <param name="x">Vector of X values of the function to interpolate</param>
/// <param name="y">Vector of Y values of the function to interpolate</param>
/// <param name="xi">Vector of X values at which interpolated Y values are required</param>
/// <param name="method">Interpolation method: InterpolationMethod.Linear, HermiteCubic or MonotoneHermiteCubicSpline</param>
/// <returns>Numeric array with specified inner element type</returns>
public static ILArray <double> interp1(ILArray <double> x, ILArray <double> y, ILArray <double> xi, InterpolationMethod method)
{
ILCurve <double> curve = new ILCurve <double>(x, y);
switch (method)
{
case InterpolationMethod.Linear:
return(curve.GetValuesLinear(xi));
case InterpolationMethod.CubicSpline:
return(curve.GetValuesCubicSpline(xi));
case InterpolationMethod.MonotoneHermiteCubicSpline:
return(curve.GetValuesCubicSpline(xi));
default:
return(curve.GetValuesLinear(xi));
}
}
