☜ | ## $%MTXMUL## M[UMPS] by Example | ☞ |

2-Jul–96, 6:54:35 Routine Save for Matrix Mathematics Library function $%MTXMUL^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. ; MTXMUL(A,B,R,M,L,N) ; ; Multiply A[M,L] by B[L,N], result goes to R[M,N] IF $DATA(A)<10 QUIT 0 IF $DATA(B)<10 QUIT 0 IF $GET(L)<1 QUIT 0 IF $GET(M)<1 QUIT 0 IF $GET(N)<1 QUIT 0 ; NEW I,J,K,SUM,ANY FOR I=1:1:M FOR J=1:1:N DO . SET (SUM,ANY)=0 . KVALUE R(I,J) . FOR K=1:1:L DO . . SET:$DATA(A(I,K))#2 ANY=1 . . SET:$DATA(B(K,J))#2 ANY=1 . . SET SUM=$GET(A(I,K))*$GET(B(K,J))+SUM . . QUIT . SET:ANY R(I,J)=SUM . QUIT QUIT 1 ;=== ; ; ;

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Copyright © Examples: 1995-2022 Ed de Moel;

Copyright © Annotations: 2003-2008 Jacquard Systems Research

Copyright © Annotations: 2008-2022 Ed de Moel.

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This page most recently updated on 30-Nov-2011, 20:06:01 .

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