| Package | Description | 
|---|---|
| org.apache.commons.math3.analysis | 
      Parent package for common numerical analysis procedures, including root finding,
      function interpolation and integration. | 
| org.apache.commons.math3.analysis.function | 
      The  functionpackage contains function objects that wrap the
      methods contained inMath, as well as common
      mathematical functions such as the gaussian and sinc functions. | 
| org.apache.commons.math3.analysis.interpolation | Univariate real functions interpolation algorithms. | 
| Modifier and Type | Method and Description | 
|---|---|
| static MultivariateFunction | FunctionUtils. collector(BivariateFunction combiner,
         double initialValue)Returns a MultivariateFunction h(x[]) defined by | 
| static MultivariateFunction | FunctionUtils. collector(BivariateFunction combiner,
         UnivariateFunction f,
         double initialValue)Returns a MultivariateFunction h(x[]) defined by | 
| static UnivariateFunction | FunctionUtils. combine(BivariateFunction combiner,
       UnivariateFunction f,
       UnivariateFunction g)Returns the univariate function
  h(x) = combiner(f(x), g(x)). | 
| static UnivariateFunction | FunctionUtils. fix1stArgument(BivariateFunction f,
              double fixed)Creates a unary function by fixing the first argument of a binary function. | 
| static UnivariateFunction | FunctionUtils. fix2ndArgument(BivariateFunction f,
              double fixed)Creates a unary function by fixing the second argument of a binary function. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AddAdd the two operands. | 
| class  | Atan2Arc-tangent function. | 
| class  | DivideDivide the first operand by the second. | 
| class  | MaxMaximum function. | 
| class  | MinMinimum function. | 
| class  | MultiplyMultiply the two operands. | 
| class  | PowPower function. | 
| class  | SubtractSubtract the second operand from the first. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | BicubicInterpolatingFunctionFunction that implements the
 
 bicubic spline interpolation. | 
| class  | BicubicSplineInterpolatingFunctionDeprecated. 
 as of 3.4 replaced by
  PiecewiseBicubicSplineInterpolatingFunction | 
| class  | PiecewiseBicubicSplineInterpolatingFunctionFunction that implements the
 bicubic spline
 interpolation. | 
| Modifier and Type | Method and Description | 
|---|---|
| BivariateFunction | BivariateGridInterpolator. interpolate(double[] xval,
           double[] yval,
           double[][] fval)Compute an interpolating function for the dataset. | 
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