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User:Andy1978: Difference between revisions
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added snippets section (chain matrix multiplication)
m (→Core: strike FFTW multithreading) |
m (added snippets section (chain matrix multiplication)) |
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First post on mailing list in 12.01.2013 http://octave.1599824.n4.nabble.com/corner-cornermetric-equivalent-in-octave-td4648802.html | First post on mailing list in 12.01.2013 http://octave.1599824.n4.nabble.com/corner-cornermetric-equivalent-in-octave-td4648802.html | ||
== Snippets == | |||
=== chain matrix multiplication === | |||
a=[1 2; 3 4]; | |||
b=[4 2; 8 1]; | |||
c=[2 3; 1 -1]; | |||
m=cat(3,a,b,c); | |||
s=cell(3,1); | |||
s{1}=a;s{2}=b; s{3}=c; | |||
a*b*c | |||
s{1}*s{2}*s{3} | |||
mtimes(num2cell(m,[1,2]){:}) | |||
mtimes(s{:}) | |||
== brainstorming == | == brainstorming == | ||
* something like autobuilder for octave would be cool. Jordi mentioned http://hydra.nixos.org/jobset/gnu/octave-default | * something like autobuilder for octave would be cool. Jordi mentioned http://hydra.nixos.org/jobset/gnu/octave-default | ||
* perhaps http://www.phoronix-test-suite.com/? | * perhaps http://www.phoronix-test-suite.com/? | ||