Package org.apache.commons.math3.linear

• Interface Summary 

  Interface	Description
  AnyMatrix	Interface defining very basic matrix operations.
  DecompositionSolver	Interface handling decomposition algorithms that can solve A × X = B.
  FieldDecompositionSolver<T extends FieldElement<T>>	Interface handling decomposition algorithms that can solve A × X = B.
  FieldMatrix<T extends FieldElement<T>>	Interface defining field-valued matrix with basic algebraic operations.
  FieldMatrixChangingVisitor<T extends FieldElement<?>>	Interface defining a visitor for matrix entries.
  FieldMatrixPreservingVisitor<T extends FieldElement<?>>	Interface defining a visitor for matrix entries.
  FieldVector<T extends FieldElement<T>>	Interface defining a field-valued vector with basic algebraic operations.
  FieldVectorChangingVisitor<T extends FieldElement<?>>	This interface defines a visitor for the entries of a vector.
  FieldVectorPreservingVisitor<T extends FieldElement<?>>	This interface defines a visitor for the entries of a vector.
  RealMatrix	Interface defining a real-valued matrix with basic algebraic operations.
  RealMatrixChangingVisitor	Interface defining a visitor for matrix entries.
  RealMatrixPreservingVisitor	Interface defining a visitor for matrix entries.
  RealVectorChangingVisitor	This interface defines a visitor for the entries of a vector.
  RealVectorPreservingVisitor	This interface defines a visitor for the entries of a vector.
  SparseRealMatrix	Marker interface for RealMatrix implementations that require sparse backing storage

• Class Summary 

  Class	Description
  AbstractFieldMatrix<T extends FieldElement<T>>	Basic implementation of FieldMatrix methods regardless of the underlying storage.
  AbstractRealMatrix	Basic implementation of RealMatrix methods regardless of the underlying storage.
  Array2DRowFieldMatrix<T extends FieldElement<T>>	Implementation of FieldMatrix using a FieldElement[][] array to store entries.
  Array2DRowRealMatrix	Implementation of RealMatrix using a double[][] array to store entries.
  ArrayFieldVector<T extends FieldElement<T>>	This class implements the FieldVector interface with a FieldElement array.
  ArrayRealVector	This class implements the RealVector interface with a double array.
  BlockFieldMatrix<T extends FieldElement<T>>	Cache-friendly implementation of FieldMatrix using a flat arrays to store square blocks of the matrix.
  BlockRealMatrix	Cache-friendly implementation of RealMatrix using a flat arrays to store square blocks of the matrix.
  CholeskyDecomposition	Calculates the Cholesky decomposition of a matrix.
  ConjugateGradient	This is an implementation of the conjugate gradient method for RealLinearOperator.
  DefaultFieldMatrixChangingVisitor<T extends FieldElement<T>>	Default implementation of the FieldMatrixChangingVisitor interface.
  DefaultFieldMatrixPreservingVisitor<T extends FieldElement<T>>	Default implementation of the FieldMatrixPreservingVisitor interface.
  DefaultIterativeLinearSolverEvent	A default concrete implementation of the abstract class IterativeLinearSolverEvent.
  DefaultRealMatrixChangingVisitor	Default implementation of the RealMatrixChangingVisitor interface.
  DefaultRealMatrixPreservingVisitor	Default implementation of the RealMatrixPreservingVisitor interface.
  DiagonalMatrix	Implementation of a diagonal matrix.
  EigenDecomposition	Calculates the eigen decomposition of a real matrix.
  FieldLUDecomposition<T extends FieldElement<T>>	Calculates the LUP-decomposition of a square matrix.
  IterativeLinearSolver	This abstract class defines an iterative solver for the linear system A · x = b.
  IterativeLinearSolverEvent	This is the base class for all events occurring during the iterations of a IterativeLinearSolver.
  JacobiPreconditioner	This class implements the standard Jacobi (diagonal) preconditioner.
  LUDecomposition	Calculates the LUP-decomposition of a square matrix.
  MatrixUtils	A collection of static methods that operate on or return matrices.
  OpenMapRealMatrix	Sparse matrix implementation based on an open addressed map.
  OpenMapRealVector	This class implements the RealVector interface with a OpenIntToDoubleHashMap backing store.
  PreconditionedIterativeLinearSolver	This abstract class defines preconditioned iterative solvers.
  QRDecomposition	Calculates the QR-decomposition of a matrix.
  RealLinearOperator	This class defines a linear operator operating on real (double) vector spaces.
  RealMatrixFormat	Formats a nxm matrix in components list format "{{a00,a01, ..., a0m-1},{a10, a11, ..., a1m-1},{...},{ an-10, an-11, ..., an-1m-1}}".
  RealVector	Class defining a real-valued vector with basic algebraic operations.
  RealVectorFormat	Formats a vector in components list format "{v0; v1; ...; vk-1}".
  RectangularCholeskyDecomposition	Calculates the rectangular Cholesky decomposition of a matrix.
  RRQRDecomposition	Calculates the rank-revealing QR-decomposition of a matrix, with column pivoting.
  SingularValueDecomposition	Calculates the compact Singular Value Decomposition of a matrix.
  SparseFieldMatrix<T extends FieldElement<T>>	Sparse matrix implementation based on an open addressed map.
  SparseFieldVector<T extends FieldElement<T>>	This class implements the FieldVector interface with a OpenIntToFieldHashMap backing store.
  SparseRealVector	Marker class for RealVectors that require sparse backing storage
  SymmLQ	Implementation of the SYMMLQ iterative linear solver proposed by Paige and Saunders (1975).

• Exception Summary 

  Exception	Description
  IllConditionedOperatorException	An exception to be thrown when the condition number of a RealLinearOperator is too high.
  MatrixDimensionMismatchException	Exception to be thrown when either the number of rows or the number of columns of a matrix do not match the expected values.
  NonPositiveDefiniteMatrixException	Exception to be thrown when a positive definite matrix is expected.
  NonPositiveDefiniteOperatorException	Exception to be thrown when a symmetric, definite positive RealLinearOperator is expected.
  NonSelfAdjointOperatorException	Exception to be thrown when a self-adjoint RealLinearOperator is expected.
  NonSquareMatrixException	Exception to be thrown when a square matrix is expected.
  NonSquareOperatorException	Exception to be thrown when a square linear operator is expected.
  NonSymmetricMatrixException	Exception to be thrown when a symmetric matrix is expected.
  SingularMatrixException	Exception to be thrown when a non-singular matrix is expected.
  SingularOperatorException	Exception to be thrown when trying to invert a singular operator.

Package org.apache.commons.math3.linear Description