[MUG] How to do matrix parallel computation

[MUG] Re: How to do matrix parallel computation
Author: Maple User Group    Posted: Wed, 15 May 2002 11:26:25 -0400
>> From: Maple User Group "maple_gr" | >> From: "900459" | Given two matrixes | I would like to do operation element to element? Which command should I use? -=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=- Date: Tue, 14 May 2002 17:13:36 -0700 To: "maple-list" From: David Harrington "dharr" Subject: How to do matrix parallel computation Try zip: >with(linalg):a:=matrix(2,2,[1,2,3,4]);b:=matrix(2,2,[1,2,3,4]): > zip(`*`,a,b); [1 4] [ ] [9 16] > zip(`/`,a,b); [1 1] [ ] [1 1] -=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=- Date: Tue, 14 May 2002 17:34:04 -0700 (PDT) From: Robert Israel "israel" To: "maple-list" Subject: How to do matrix parallel computation > zip(`/`,a,b); > zip(`*`,a,b); Robert Israel "israel" Department of Mathematics http://www.math.ubc.ca/~israel University of British Columbia Vancouver, BC, Canada V6T 1Z2 -=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=- Date: Tue, 14 May 2002 22:12:08 -0400 (EDT) From: Carl Devore "devore" To: "maple-list" "900459" Subject: How to do matrix parallel computation zip(`/`, a, b); zip(`*`, a, b); -=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=- Date: Tue, 14 May 2002 17:24:59 +0200 From: Helmut Kahovec "helmut.kahovec" To: "maple-list" "900459" Subject: How to do matrix parallel computation Well, you may do the following: > restart; > A:=matrix(2,2,[1,2,3,4]); > B:=matrix(2,2,[1,2,3,4]); > matrix(2,2,[seq(seq(A[i,j]/B[i,j],j=1..2),i=1..2)]); [1 1] [ ] [1 1] > matrix(2,2,[seq(seq(A[i,j]*B[i,j],j=1..2),i=1..2)]); [1 4] [ ] [9 16] Kind regards, Helmut -=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=-=*=- Date: Mon, 13 May 2002 12:41:02 +0200 From: Adri van der Meer "A.W.J.vanderMeer" To: "maple-list" Subject: How to do matrix parallel computation Use zip( `/`, a,b ); or: zip( (x,y)->x/y, a,b ); zip( `*`, a,b ); or: zip( (x,y)->x*y, a,b ); -- A. van der Meer Dept. Applied Mathematics University of Twente Phone +31 (53) 4893427 P.O. Box 217 Fax +31 (53) 4894824 7500 AE Enschede

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