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doc: Source code is a mass noun (no "source codes")
author Jordi Gutiérrez Hermoso <jordigh@octave.org>
date Wed, 29 Feb 2012 15:39:05 -0500
parents dfb33a5723d2
children 62cb605af1af
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14420:dfb33a5723d2 14421:0ec73cf71556
21 21
22 @menu 22 @menu
23 * Basic Usage:: Creation and Manipulation of Diagonal and Permutation Matrices 23 * Basic Usage:: Creation and Manipulation of Diagonal and Permutation Matrices
24 * Matrix Algebra:: Linear Algebra with Diagonal and Permutation Matrices 24 * Matrix Algebra:: Linear Algebra with Diagonal and Permutation Matrices
25 * Function Support:: Functions That Are Aware of These Matrices 25 * Function Support:: Functions That Are Aware of These Matrices
26 * Example Codes:: Some Examples of Usage 26 * Example Code:: Some Examples of Usage
27 * Zeros Treatment:: The Differences in Treatment of Zero Elements 27 * Zeros Treatment:: The Differences in Treatment of Zero Elements
28 @end menu 28 @end menu
29 29
30 @node Basic Usage 30 @node Basic Usage
31 @section Creating and Manipulating Diagonal and Permutation Matrices 31 @section Creating and Manipulating Diagonal and Permutation Matrices
410 The @dfn{sparse} function will convert a permutation matrix efficiently to a 410 The @dfn{sparse} function will convert a permutation matrix efficiently to a
411 sparse matrix. 411 sparse matrix.
412 The @dfn{find} function will also work efficiently with a permutation matrix, 412 The @dfn{find} function will also work efficiently with a permutation matrix,
413 making it possible to conveniently obtain the permutation indices. 413 making it possible to conveniently obtain the permutation indices.
414 414
415 @node Example Codes 415 @node Example Code
416 @section Some Examples of Usage 416 @section Some Examples of Usage
417 417
418 The following can be used to solve a linear system @code{A*x = b} 418 The following can be used to solve a linear system @code{A*x = b}
419 using the pivoted LU@tie{}factorization: 419 using the pivoted LU@tie{}factorization:
420 420