MathArrays.Function (Apache Commons Math 3.6.1 API)

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, PSquarePercentile, 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

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `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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