Sparse Matrix Classes

Linear Algebra Module Reference Guide
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2.3 Sparse Matrix Classes

The Linear Algebra Module classes represent a variety of matrix types, including: general, dense symmetric, skew symmetric, Hermitian, banded, symmetric banded, Hermitian banded, upper-triangular, lower-triangular, and tridiagonal. These classes are contained in Table 2.

Table 2: The Sparse Matrix Classes

Class Name	Description
*RWBandMat<T>*	A banded matrix. A banded matrix is nonzero only near the diagonal.
*RWHermBandMat<T>*	A Hermitian banded matrix. A Hermitian banded matrix is Hermitian, and nonzero only near the diagonal.
*RWHermMat<T>*	A Hermitian dense matrix. A Hermitian matrix is defined by the requirement that Aij = conj(Aji).
*RWLowerTriMat<T>*	A lower triangular matrix.
*RWSkewMat<T>*	A skew symmetric matrix.
*RWSymBandMat<T>*	A symmetric band matrix. A symmetric banded matrix is symmetric, and nonzero only near the diagonal.
*RWSymMat<T>*	Represents symmetric matrices. A symmetric matrix is defined by the requirement that Aij = Aji, and so a symmetric matrix is equal to its transpose.
*RWTriDiagMat<T>*	A tridiagonal matrix. A tridiagonal matrix is nonzero only on the diagonal, the subdiagonal, and the superdiagonal.
*RWUpperTriMat<T>*	An upper triangular matrix. An upper triangular matrix is 0 above the diagonal.

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