org.jscience.mathematics.algebraic
Interfaces 
BandedMatrix
DiagonalMatrix
Hypermatrix
Matrix
SquareMatrix
SymmetricMatrix
TriangularMatrix
TridiagonalMatrix
Vector
Classes 
AbstractBandedMatrix
AbstractDiagonalMatrix
AbstractHypermatrix
AbstractMatrix
AbstractSquareMatrix
AbstractSymmetricMatrix
AbstractTriangularMatrix
AbstractTridiagonalMatrix
AbstractVector