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/external/apache-commons-math/src/main/java/org/apache/commons/math/analysis/interpolation/
DSmoothingBicubicSplineInterpolator.java103 final PolynomialSplineFunction[] xSplineY = new PolynomialSplineFunction[xLen]; in interpolate() local
105 xSplineY[i] = spInterpolator.interpolate(yval, zY_1[i]); in interpolate()
112 final PolynomialSplineFunction f = xSplineY[i]; in interpolate()
130 final UnivariateRealFunction f = xSplineY[i].derivative(); in interpolate()
DBicubicSplineInterpolator.java80 final PolynomialSplineFunction[] xSplineY = new PolynomialSplineFunction[xLen]; in interpolate() local
82 xSplineY[i] = spInterpolator.interpolate(yval, fval[i]); in interpolate()
97 final UnivariateRealFunction f = xSplineY[i].derivative(); in interpolate()