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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: Temporary output when assigning into slices?
Replies: 10   Last Post: Jan 27, 2013 3:53 AM

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Matt J

Posts: 4,988
Registered: 11/28/09
Re: Temporary output when assigning into slices?
Posted: Jan 24, 2013 11:05 AM
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"Bruno Luong" <b.luong@fogale.findmycountry> wrote in message <kdpuef$118$1@newscl01ah.mathworks.com>...
>
>
> There is no temporal memory allocation according to my test (2012B).
=============

Then that's pretty fancy and new. I definitely see a difference in R2012a:


N=1e7;
M=1;
B=rand(M,N);
C=rand(N,10);


tic;
B*C(:,1);
toc;
%Elapsed time is 0.043724 seconds.

z=C(:,1);
tic
B*z;
toc
%Elapsed time is 0.011419 seconds.

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