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Need help with vectorizing the code


From: lan
Subject: Need help with vectorizing the code
Date: Sat, 13 Apr 2013 07:35:31 -0700 (PDT)

Hello, everyone!
I want to avoid using "for" loop to calculate vector x.
I have the following schematic code.
Thank you for your attention


function xdot = octave2 (x, t);
Do something;
endfunction;

function xdot = octave2 (x, t);
Do something;
endfunction;

function dsi = dsigma();

Z= Matrix 100 x 100;

t = linspace(0, 100, 10000)';


x(1) = sum(sum(lsode("octave2", Z(1, 1:100), t)));
x(2) = sum(sum(lsode("octave2", Z(2, 1:100), t)));
x(3)= sum(sum(lsode("octave2", Z(3, 1:100), t)));
...
x(100)=sum(sum(lsode("octave2", Z(100, 1:100), t)));

dsi = x;
endfunction;
dsigma();



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