public class TricubicInterpolatingFunction extends Object implements TrivariateFunction
Tricubic interpolation in three dimensions, F. Lekien and J. Marsden, Int. J. Numer. Meth. Eng 2005; 63:455-471
| Constructor and Description |
|---|
TricubicInterpolatingFunction(double[] x,
double[] y,
double[] z,
double[][][] f,
double[][][] dFdX,
double[][][] dFdY,
double[][][] dFdZ,
double[][][] d2FdXdY,
double[][][] d2FdXdZ,
double[][][] d2FdYdZ,
double[][][] d3FdXdYdZ) |
| Modifier and Type | Method and Description |
|---|---|
boolean |
isValidPoint(double x,
double y,
double z)
Indicates whether a point is within the interpolation range.
|
double |
value(double x,
double y,
double z)
Compute the value for the function.
|
public TricubicInterpolatingFunction(double[] x,
double[] y,
double[] z,
double[][][] f,
double[][][] dFdX,
double[][][] dFdY,
double[][][] dFdZ,
double[][][] d2FdXdY,
double[][][] d2FdXdZ,
double[][][] d2FdYdZ,
double[][][] d3FdXdYdZ)
throws NoDataException,
DimensionMismatchException,
NonMonotonicSequenceException
x - Sample values of the x-coordinate, in increasing order.y - Sample values of the y-coordinate, in increasing order.z - Sample values of the y-coordinate, in increasing order.f - Values of the function on every grid point.dFdX - Values of the partial derivative of function with respect to x on every grid point.dFdY - Values of the partial derivative of function with respect to y on every grid point.dFdZ - Values of the partial derivative of function with respect to z on every grid point.d2FdXdY - Values of the cross partial derivative of function on every grid point.d2FdXdZ - Values of the cross partial derivative of function on every grid point.d2FdYdZ - Values of the cross partial derivative of function on every grid point.d3FdXdYdZ - Values of the cross partial derivative of function on every grid point.NoDataException - if any of the arrays has zero length.DimensionMismatchException - if the various arrays do not contain the expected number of elements.NonMonotonicSequenceException - if x, y or z are not strictly increasing.public double value(double x,
double y,
double z)
throws OutOfRangeException
value in interface TrivariateFunctionx - x-coordinate for which the function value should be computed.y - y-coordinate for which the function value should be computed.z - z-coordinate for which the function value should be computed.OutOfRangeException - if any of the variables is outside its interpolation range.public boolean isValidPoint(double x,
double y,
double z)
x - First coordinate.y - Second coordinate.z - Third coordinate.true if (x, y, z) is a valid point.Copyright © 2003–2016 The Apache Software Foundation. All rights reserved.