# 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
All classes and sub-packages of this package are deprecated.
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
Description
Incrementor
Deprecated.
Use `IntegerSequence.Incrementor` instead.
Classes in org.apache.commons.math3.util used by org.apache.commons.math3.analysis.integration.gauss
Class
Description
Pair
Generic pair.
Classes in org.apache.commons.math3.util used by org.apache.commons.math3.distribution
Class
Description
Pair
Generic pair.
Classes in org.apache.commons.math3.util used by org.apache.commons.math3.exception
Class
Description
MathArrays.OrderDirection
Specification of ordering direction.
Classes in org.apache.commons.math3.util used by org.apache.commons.math3.fitting.leastsquares
Class
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
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
Description
Pair
Generic pair.
Classes in org.apache.commons.math3.util used by org.apache.commons.math3.ode
Class
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
Description
Incrementor
Deprecated.
Use `IntegerSequence.Incrementor` instead.
Pair
Generic pair.
Classes in org.apache.commons.math3.util used by org.apache.commons.math3.optimization
Class
Description
Pair
Generic pair.
Classes in org.apache.commons.math3.util used by org.apache.commons.math3.optimization.direct
Class
Description
Incrementor
Deprecated.
Use `IntegerSequence.Incrementor` instead.
Classes in org.apache.commons.math3.util used by org.apache.commons.math3.stat.descriptive
Class
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
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
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
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
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.