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## org.apache.commons.math3.util
Interface MathArrays.Function

All Known Subinterfaces:
  StorelessUnivariateStatistic, UnivariateStatistic

All Known Implementing Classes:
  AbstractStorelessUnivariateStatistic, AbstractUnivariateStatistic, GeometricMean, Kurtosis, Max, Mean, Median, Min, Percentile, Product, SecondMoment, SemiVariance, Skewness, StandardDeviation, Sum, SumOfLogs, SumOfSquares, Variance

Enclosing class:
  MathArrays

    public static interface MathArrays.Function

Real-valued function that operate on an array or a part of it.

Since:
  3.1

Method Summary
`double` | `evaluate(double[] array)` Operates on an entire array.
`double` | `evaluate(double[] array, int startIndex, int numElements)`

Method Detail

### evaluate

    double evaluate(double[] array)

  Operates on an entire array.

  Parameters:
    `array` - Array to operate on.
  Returns:
    the result of the operation.

### evaluate

    double evaluate(double[] array,
                    int startIndex,
                    int numElements)

  Parameters:
    `array` - Array to operate on.
    `startIndex` - Index of the first element to take into account.
    `numElements` - Number of elements to take into account.
  Returns:
    the result of the operation.

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