How to fill a 3D Array using a for loop

2016 11 17
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更新时间：2016 11 18
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Hi, I've been having a problem filling a matrix. I need to fill it using a "for" loop, but the equations for each element is different. I hope the example can explain better what I pretend to achieve. Hope someone can help. Thanks.
for i=1:5
k(i,1,1)=2*x(i);
k(i,1,2)=9*y(i);
k(i,2,1)=-2*x(i);
k(i,2,2)=-2*y(i);
end

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KSSV
KSSV 2016-11-18

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x = rand(5,1) ;
y = rand(5,1) ;
k = zeros(2,2,2) ;
for i=1:5
k(i,1,1)=2*x(i);
k(i,1,2)=9*y(i);
k(i,2,1)=-2*x(i);
k(i,2,2)=-2*y(i);
end
What problem you face? Code is fine.

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Pedro Pires
Pedro Pires 2016-11-18
The weird thing is that without changing the code, it's now working fine. I can't remember exactly what the error was but I wasn't being able to give a value to the array members. Maybe some values or equations were preventing the script from working correctly. I sincerely can't see anything that I changed that could possibly make/solve the problem, but I'm also a beginners with Matlab. Thank you for the reply and help.

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