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comparison doc/interpreter/sparse.txi @ 7096:81bed50b9feb

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[project @ 2007-11-02 16:13:43 by jwe]
author jwe
date Fri, 02 Nov 2007 16:13:44 +0000
parents fd42779a8428
children e8d953d03f6a
comparison
equal deleted inserted replaced
7095:efd16513ff8f 7096:81bed50b9feb
790 hermitian with a real positive diagonal, and the matrix is square, factorize 790 hermitian with a real positive diagonal, and the matrix is square, factorize
791 using UMFPACK. 791 using UMFPACK.
792 792
793 @item If the matrix is not square, or any of the previous solvers flags 793 @item If the matrix is not square, or any of the previous solvers flags
794 a singular or near singular matrix, find a minimum norm solution using 794 a singular or near singular matrix, find a minimum norm solution using
795 CXSPARSE@footnote{CHOLMOD, UMFPACK and CXSPARSE are written by Tim Davis 795 CXSPARSE@footnote{The CHOLMOD, UMFPACK and CXSPARSE packages were
796 and are available at http://www.cise.ufl.edu/research/sparse/}. 796 written by Tim Davis and are available at
797 http://www.cise.ufl.edu/research/sparse/}.
797 @end enumerate 798 @end enumerate
798 799
799 The band density is defined as the number of non-zero values in the matrix 800 The band density is defined as the number of non-zero values in the matrix
800 divided by the number of non-zero values in the matrix. The banded matrix 801 divided by the number of non-zero values in the matrix. The banded matrix
801 solvers can be entirely disabled by using @dfn{spparms} to set @code{bandden} 802 solvers can be entirely disabled by using @dfn{spparms} to set @code{bandden}
1135 @end float 1136 @end float
1136 @end ifset 1137 @end ifset
1137 @end ifset 1138 @end ifset
1138 @end ifset 1139 @end ifset
1139 @end ifset 1140 @end ifset
1140
1141 @c Local Variables: ***
1142 @c Mode: texinfo ***
1143 @c End: ***