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# Commons MATH 2.2

Packages
org.apache.commons.math: Common classes used throughout the commons-math library.
org.apache.commons.math.analysis: Parent package for common numerical analysis procedures, including root finding, function interpolation and integration.
org.apache.commons.math.analysis.integration: Numerical integration (quadrature) algorithms for univariate real functions.
org.apache.commons.math.analysis.interpolation: Univariate real functions interpolation algorithms.
org.apache.commons.math.analysis.polynomials: Univariate real polynomials implementations, seen as differentiable univariate real functions.
org.apache.commons.math.analysis.solvers: Root finding algorithms, for univariate real functions.
org.apache.commons.math.complex: Complex number type and implementations of complex transcendental functions.
org.apache.commons.math.dfp: Decimal floating point library for Java
org.apache.commons.math.distribution: Implementations of common discrete and continuous distributions.
org.apache.commons.math.estimation: This package provided classes to solve estimation problems, it is deprecated since 2.0.
org.apache.commons.math.exception: Specialized exceptions for algorithms errors.
org.apache.commons.math.exception.util: Classes supporting exception localization.
org.apache.commons.math.fraction: Fraction number type and fraction number formatting.
org.apache.commons.math.genetics: This package provides Genetic Algorithms components and implementations.
org.apache.commons.math.geometry: This package provides basic 3D geometry components.
org.apache.commons.math.linear: Linear algebra support.
org.apache.commons.math.ode: This package provides classes to solve Ordinary Differential Equations problems.
org.apache.commons.math.ode.events: This package provides classes to handle discrete events occurring during Ordinary Differential Equations integration.
org.apache.commons.math.ode.jacobians: This package was intended to solve Ordinary Differential Equations problems and also compute derivatives of the solution.
org.apache.commons.math.ode.nonstiff: This package provides classes to solve non-stiff Ordinary Differential Equations problems.
org.apache.commons.math.ode.sampling: This package provides classes to handle sampling steps during Ordinary Differential Equations integration.
org.apache.commons.math.optimization: This package provides common interfaces for the optimization algorithms provided in sub-packages.
org.apache.commons.math.optimization.direct: This package provides optimization algorithms that don't require derivatives.
org.apache.commons.math.optimization.fitting: This package provides classes to perform curve fitting.
org.apache.commons.math.optimization.general: This package provides optimization algorithms that require derivatives.
org.apache.commons.math.optimization.linear: This package provides optimization algorithms for linear constrained problems.
org.apache.commons.math.optimization.univariate: Univariate real functions minimum finding algorithms.
org.apache.commons.math.random: Random number and random data generators.
org.apache.commons.math.special: Implementations of special functions such as Beta and Gamma.
org.apache.commons.math.stat: Data storage, manipulation and summary routines.
org.apache.commons.math.stat.clustering: Clustering algorithms
org.apache.commons.math.stat.correlation: Correlations/Covariance computations.
org.apache.commons.math.stat.descriptive: Generic univariate summary statistic objects.
org.apache.commons.math.stat.descriptive.moment: Summary statistics based on moments.
org.apache.commons.math.stat.descriptive.rank: Summary statistics based on ranks.
org.apache.commons.math.stat.descriptive.summary: Other summary statistics.
org.apache.commons.math.stat.inference: Classes providing hypothesis testing and confidence interval construction.
org.apache.commons.math.stat.ranking: Classes providing rank transformations.
org.apache.commons.math.stat.regression: Statistical routines involving multivariate data.
org.apache.commons.math.transform: Implementations of transform methods, including Fast Fourier transforms.
org.apache.commons.math.util: Convenience routines and common data structures used throughout the commons-math library.