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comparison doc/interpreter/sparse.txi @ 11573:6f8ffe2c6f76

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Grammarcheck txi files for 3.4 release.
author Rik <octave@nomad.inbox5.com>
date Wed, 19 Jan 2011 20:29:11 -0800
parents fd0a3ac60b0e
children 1577c6f80926
comparison
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11572:7d6d8c1e471f 11573:6f8ffe2c6f76
779 @end enumerate 779 @end enumerate
780 780
781 @item If the matrix is upper or lower triangular perform a sparse forward 781 @item If the matrix is upper or lower triangular perform a sparse forward
782 or backward substitution, and goto 8 782 or backward substitution, and goto 8
783 783
784 @item If the matrix is a upper triangular matrix with column permutations 784 @item If the matrix is an upper triangular matrix with column permutations
785 or lower triangular matrix with row permutations, perform a sparse forward 785 or lower triangular matrix with row permutations, perform a sparse forward
786 or backward substitution, and goto 8 786 or backward substitution, and goto 8
787 787
788 @item If the matrix is square, Hermitian with a real positive diagonal, attempt 788 @item If the matrix is square, Hermitian with a real positive diagonal, attempt
789 sparse Cholesky factorization using @sc{cholmod}. 789 sparse Cholesky factorization using @sc{cholmod}.
931 @ifnottex 931 @ifnottex
932 Omega 932 Omega
933 @end ifnottex 933 @end ifnottex
934 into simplexes (triangles in 2D, pyramids in 3D). 934 into simplexes (triangles in 2D, pyramids in 3D).
935 @ifset htmltex 935 @ifset htmltex
936 We take as an 3D example a cylindrical liquid filled tank with a small 936 We take as a 3-D example a cylindrical liquid filled tank with a small
937 non-conductive ball from the EIDORS project@footnote{EIDORS - Electrical 937 non-conductive ball from the EIDORS project@footnote{EIDORS - Electrical
938 Impedance Tomography and Diffuse optical Tomography Reconstruction Software 938 Impedance Tomography and Diffuse optical Tomography Reconstruction Software
939 @url{http://eidors3d.sourceforge.net}}. This is model is designed to reflect 939 @url{http://eidors3d.sourceforge.net}}. This is model is designed to reflect
940 an application of electrical impedance tomography, where current patterns 940 an application of electrical impedance tomography, where current patterns
941 are applied to such a tank in order to image the internal conductivity 941 are applied to such a tank in order to image the internal conductivity
942 distribution. In order to describe the FEM geometry, we have a matrix of 942 distribution. In order to describe the FEM geometry, we have a matrix of
943 vertices @code{nodes} and simplices @code{elems}. 943 vertices @code{nodes} and simplices @code{elems}.
944 @end ifset 944 @end ifset
945 945
946 The following example creates a simple rectangular 2D electrically 946 The following example creates a simple rectangular 2-D electrically
947 conductive medium with 10 V and 20 V imposed on opposite sides 947 conductive medium with 10 V and 20 V imposed on opposite sides
948 (Dirichlet boundary conditions). All other edges are electrically 948 (Dirichlet boundary conditions). All other edges are electrically
949 isolated. 949 isolated.
950 950
951 @example 951 @example