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- % Sparse matrix functions.
- %
- % Elementary sparse matrices.
- % speye - Sparse identity matrix.
- % sprandn - Sparse random matrix.
- % sprandsym - Sparse symmetric random matrix.
- % spdiags - Sparse matrix formed from diagonals.
- %
- % Full to sparse conversion.
- % sparse - Create sparse matrix from nonzeros and indices.
- % full - Convert sparse matrix to full matrix.
- % find - Find indices of nonzero entries.
- % spconvert - Convert from sparse matrix external format.
- %
- % Working with nonzero entries of sparse matrices.
- % nnz - Number of nonzero entries.
- % nonzeros - Nonzero entries.
- % nzmax - Amount of storage allocated for nonzero entries.
- % spones - Replace nonzero entries with ones.
- % spalloc - Allocate memory for nonzero entries.
- % issparse - True if matrix is sparse.
- % spfun - Apply function to nonzero entries.
- %
- % Visualizing sparse matrices.
- % spy - Visualize sparsity structure.
- % gplot - Plot graph, as in "graph theory".
- %
- % Reordering algorithms.
- % colmmd - Column minimum degree.
- % symmmd - Symmetric minimum degree.
- % symrcm - Reverse Cuthill-McKee ordering.
- % colperm - Order columns based on nonzero count.
- % randperm - Random permutation vector.
- % dmperm - Dulmage-Mendelsohn decomposition.
- %
- % Norm, condition number, and rank.
- % normest - Estimate 2-norm.
- % condest - Estimate 1-norm condition.
- % sprank - Structural rank.
- %
- % Operations on trees.
- % treelayout - Lay out a tree or forest.
- % treeplot - Plot a picture of a tree.
- % etree - Elimination tree of a matrix.
- % etreeplot - Plot the elimination tree.
- %
- % Miscellaneous.
- % symbfact - Symbolic factorization analysis.
- % spparms - Set parameters for sparse matrix routines.
- % spaugment - Form least squares augmented system.
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- % Copyright (c) 1984-93 by The MathWorks, Inc.
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