org.apache.commons.math3.linear
Interfaces 
AnyMatrix
DecompositionSolver
FieldDecompositionSolver
FieldMatrix
FieldMatrixChangingVisitor
FieldMatrixPreservingVisitor
FieldVector
RealMatrix
RealMatrixChangingVisitor
RealMatrixPreservingVisitor
RealVectorChangingVisitor
RealVectorPreservingVisitor
SparseRealMatrix
Classes 
AbstractFieldMatrix
AbstractRealMatrix
Array2DRowFieldMatrix
Array2DRowRealMatrix
ArrayFieldVector
ArrayRealVector
BlockFieldMatrix
BlockRealMatrix
CholeskyDecomposition
ConjugateGradient
DefaultFieldMatrixChangingVisitor
DefaultFieldMatrixPreservingVisitor
DefaultIterativeLinearSolverEvent
DefaultRealMatrixChangingVisitor
DefaultRealMatrixPreservingVisitor
EigenDecomposition
FieldLUDecomposition
IterativeLinearSolver
IterativeLinearSolverEvent
JacobiPreconditioner
LUDecomposition
MatrixUtils
OpenMapRealMatrix
OpenMapRealVector
PreconditionedIterativeLinearSolver
QRDecomposition
RealLinearOperator
RealMatrixFormat
RealVector
RealVectorFormat
RectangularCholeskyDecomposition
SingularValueDecomposition
SparseFieldMatrix
SparseFieldVector
SparseRealVector
SymmLQ
Exceptions 
IllConditionedOperatorException
MatrixDimensionMismatchException
NonPositiveDefiniteMatrixException
NonPositiveDefiniteOperatorException
NonSelfAdjointOperatorException
NonSquareMatrixException
NonSquareOperatorException
NonSymmetricMatrixException
SingularMatrixException
SingularOperatorException