## $%MTXUNIT## M[UMPS] by Example |

2-Jul–96, 6:54:35 Routine Save for Matrix Mathematics Library function $%MTXUNIT^MATH ; ; Unless otherwise noted, the code below ; was approved in document X11/96–26 ; ; If corrections have been applied, ; first the original line appears, ; with three semicolons at the beginning of the line. ; ; Then the source of the correction is acknowledged, ; then the corrected line appears, followed by a ; line containing three semicolons. ; MTXUNIT(R,N,SPARSE) ; ; Create a unit matrix R[N,N] IF $GET(N)<1 QUIT 0 ; NEW ROW,COL FOR ROW=1:1:N FOR COL=1:1:N DO . KVALUE R(ROW,COL) . IF $GET(SPARSE) QUIT:ROW'=COL . SET R(ROW,COL)=$SELECT(ROW=COL:1,1:0) . QUIT QUIT 1 ;=== ; ; ;

Copyright © Standard Documents; 1977-2018 MUMPS Development Committee;

Copyright © Examples: 1995-2018 Ed de Moel;

Copyright © Annotations: 2003-2008 Jacquard Systems Research

Copyright © Annotations: 2008-2018 Ed de Moel.

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This page most recently updated on 30-Nov-2011, 20:06:43 .

For comments, contact Ed de Moel (demoel@jacquardsystems.com)