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java.lang.Objectorg.apache.commons.math3.analysis.interpolation.BicubicSplineInterpolator
org.apache.commons.math3.analysis.interpolation.SmoothingPolynomialBicubicSplineInterpolator
public class SmoothingPolynomialBicubicSplineInterpolator
Generates a bicubic interpolation function. Prior to generating the interpolating function, the input is smoothed using polynomial fitting.
Field Summary | |
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private PolynomialFitter |
xFitter
Fitter for x. |
private PolynomialFitter |
yFitter
Fitter for y. |
Constructor Summary | |
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SmoothingPolynomialBicubicSplineInterpolator()
Default constructor. |
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SmoothingPolynomialBicubicSplineInterpolator(int degree)
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SmoothingPolynomialBicubicSplineInterpolator(int xDegree,
int yDegree)
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Method Summary | |
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BicubicSplineInterpolatingFunction |
interpolate(double[] xval,
double[] yval,
double[][] fval)
Compute an interpolating function for the dataset. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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private final PolynomialFitter xFitter
private final PolynomialFitter yFitter
Constructor Detail |
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public SmoothingPolynomialBicubicSplineInterpolator()
public SmoothingPolynomialBicubicSplineInterpolator(int degree)
degree
- Degree of the polynomial fitting functions.public SmoothingPolynomialBicubicSplineInterpolator(int xDegree, int yDegree)
xDegree
- Degree of the polynomial fitting functions along the
x-dimension.yDegree
- Degree of the polynomial fitting functions along the
y-dimension.Method Detail |
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public BicubicSplineInterpolatingFunction interpolate(double[] xval, double[] yval, double[][] fval)
interpolate
in interface BivariateGridInterpolator
interpolate
in class BicubicSplineInterpolator
xval
- All the x-coordinates of the interpolation points, sorted
in increasing order.yval
- All the y-coordinates of the interpolation points, sorted
in increasing order.fval
- The values of the interpolation points on all the grid knots:
fval[i][j] = f(xval[i], yval[j])
.
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