Constructor | Description |
---|---|
CubicSpline(double[] xdata,
double[] ydata) |
Constructs a natural CubicSpline interpolating function from the given data.
|
CubicSpline(double[] xdata,
double[] ydata,
double startDyDx,
double endDyDx) |
Constructs a constrained CubicSpline interpolating function from the given data.
|
Modifier and Type | Method | Description |
---|---|---|
double |
evaluate(double x) |
Computes the interpolated y value for a given x value.
|
Function |
firstDerivative() |
|
Function |
secondDerivative() |
|
void |
update(double[] xdata,
double[] ydata) |
Update the natural spline data and recompute the coefficients.
|
void |
update(double[] xdata,
double[] ydata,
double startDyDx,
double endDyDx) |
Update the constrained spline data and recompute the coefficients.
|
public CubicSpline(double[] xdata, double[] ydata)
xdata
- double[]ydata
- double[]public CubicSpline(double[] xdata, double[] ydata, double startDyDx, double endDyDx)
xdata
- double[]ydata
- double[]startDyDx
- double derivative at 0endDyDx
- double derivative at n-1public void update(double[] xdata, double[] ydata, double startDyDx, double endDyDx)
xdata
- ydata
- public void update(double[] xdata, double[] ydata)
xdata
- ydata
- public double evaluate(double x)
public Function firstDerivative()
public Function secondDerivative()