# Uses of Package
org.apache.commons.math3.util

- Packages that use org.apache.commons.math3.util
  Package | Description
  --- | ---
  org.apache.commons.math3.analysis.integration | Numerical integration (quadrature) algorithms for univariate real functions.
  org.apache.commons.math3.analysis.integration.gauss | Gauss family of quadrature schemes.
  org.apache.commons.math3.distribution | Implementations of common discrete and continuous distributions.
  org.apache.commons.math3.exception | Specialized exceptions for algorithms errors.
  org.apache.commons.math3.fitting.leastsquares | This package provides algorithms that minimize the residuals between observations and model values.
  org.apache.commons.math3.linear | Linear algebra support.
  org.apache.commons.math3.ml.neuralnet | Neural networks.
  org.apache.commons.math3.ode | This package provides classes to solve Ordinary Differential Equations problems.
  org.apache.commons.math3.optim | Generally, optimizers are algorithms that will either `minimize` or `maximize` a scalar function, called the `objective function`.
  org.apache.commons.math3.optimization.direct | This package provides optimization algorithms that don't require derivatives.
  org.apache.commons.math3.stat.descriptive | Generic univariate summary statistic objects.
  org.apache.commons.math3.stat.descriptive.moment | Summary statistics based on moments.
  org.apache.commons.math3.stat.descriptive.rank | Summary statistics based on ranks.
  org.apache.commons.math3.stat.descriptive.summary | Other summary statistics.
  org.apache.commons.math3.util | Convenience routines and common data structures used throughout the commons-math library.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.analysis.integration
  Class and Description
  Incrementor Deprecated. Use `IntegerSequence.Incrementor` instead.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.analysis.integration.gauss
  Class and Description
  Pair Generic pair.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.distribution
  Class and Description
  Pair Generic pair.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.exception
  Class and Description
  MathArrays.OrderDirection Specification of ordering direction.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.fitting.leastsquares
  Class and Description
  Incrementor Deprecated. Use `IntegerSequence.Incrementor` instead.
  Pair Generic pair.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.linear
  Class and Description
  IterationEvent The root class from which all events occurring while running an `IterationManager` should be derived.
  IterationManager This abstract class provides a general framework for managing iterative algorithms.
  OpenIntToDoubleHashMap.Iterator Iterator class for the map.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.ml.neuralnet
  Class and Description
  Pair Generic pair.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.ode
  Class and Description
  Incrementor Deprecated. Use `IntegerSequence.Incrementor` instead.
  IntegerSequence.Incrementor Utility that increments a counter until a maximum is reached, at which point, the instance will by default throw a `MaxCountExceededException`.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.optim
  Class and Description
  Incrementor Deprecated. Use `IntegerSequence.Incrementor` instead.
  Pair Generic pair.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.optimization.direct
  Class and Description
  Incrementor Deprecated. Use `IntegerSequence.Incrementor` instead.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.stat.descriptive
  Class and Description
  MathArrays.Function Real-valued function that operate on an array or a part of it.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.stat.descriptive.moment
  Class and Description
  MathArrays.Function Real-valued function that operate on an array or a part of it.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.stat.descriptive.rank
  Class and Description
  KthSelector A Simple Kth selector implementation to pick up the Kth ordered element from a work array containing the input numbers.
  MathArrays.Function Real-valued function that operate on an array or a part of it.
  PivotingStrategyInterface A strategy to pick a pivoting index of an array for doing partitioning.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.stat.descriptive.summary
  Class and Description
  MathArrays.Function Real-valued function that operate on an array or a part of it.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.util
  Class and Description
  BigReal Arbitrary precision decimal number.
  BigRealField Representation of real numbers with arbitrary precision field.
  Decimal64 This class wraps a `double` value in an object.
  Decimal64Field The field of double precision floating-point numbers.
  DoubleArray Provides a standard interface for double arrays.
  Incrementor Deprecated. Use `IntegerSequence.Incrementor` instead.
  Incrementor.MaxCountExceededCallback Deprecated. Defines a method to be called at counter exhaustion.
  IntegerSequence.Incrementor Utility that increments a counter until a maximum is reached, at which point, the instance will by default throw a `MaxCountExceededException`.
  IntegerSequence.Incrementor.MaxCountExceededCallback Defines a method to be called at counter exhaustion.
  IntegerSequence.Range Generates a sequence of integers.
  IterationEvent The root class from which all events occurring while running an `IterationManager` should be derived.
  IterationListener The listener interface for receiving events occurring in an iterative algorithm.
  MathArrays.Function Real-valued function that operate on an array or a part of it.
  MathArrays.OrderDirection Specification of ordering direction.
  MathArrays.Position Specification for indicating that some operation applies before or after a given index.
  MultidimensionalCounter.Iterator Perform iteration over the multidimensional counter.
  NumberTransformer Subclasses implementing this interface can transform Objects to doubles.
  OpenIntToDoubleHashMap Open addressed map from int to double.
  OpenIntToDoubleHashMap.Iterator Iterator class for the map.
  OpenIntToFieldHashMap Open addressed map from int to FieldElement.
  OpenIntToFieldHashMap.Iterator Iterator class for the map.
  Pair Generic pair.
  PivotingStrategyInterface A strategy to pick a pivoting index of an array for doing partitioning.
  ResizableDoubleArray A variable length `DoubleArray` implementation that automatically handles expanding and contracting its internal storage array as elements are added and removed.
  ResizableDoubleArray.ExpansionMode Specification of expansion algorithm.

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