store vectors in matrix over for loop

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sita
sita 2013-5-10
Hi,
How to store pairvec(in below code) variable in matrix overnested(ix1,ix2) loops. Pls help me in doing this.
Thanks, SIta
clc;
clear;
x1s=rand(3,1)
x2s=rand(3,1)
for ix1=1:3
for ix2=1:3
pairvec(:,:,ix1*ix2)= horzcat(x1s(ix1),x2s(ix2))
temp=pairvec
end
% finalvec=pairvec(ix1*ix2,:)
end

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采纳的回答

Andrei Bobrov
Andrei Bobrov 2013-5-10
编辑：Andrei Bobrov 2013-5-10
x1s=(1:3)';
x2s=(10:10:30)';
[ii jj]=ndgrid(x1s,x2s);
overnested = arrayfun(@(x,y)[x y],ii,jj,'un',0);
or
overnested2 = cat(3,ii,jj);

更多回答（1 个）

David Sanchez
David Sanchez 2013-5-10
Could you be more precise? Did you realize your pairvec is a 3D array, overnested(ix1,ix2) looks like a 2D array. Did you skip the semicolons (';') at the end of each line on purpose?
  1 个评论
sita
sita 2013-5-10
I am trying to store all combinations of x1s and x2s in pairvec here.I realize that is 3D array. Purposefully i skipped semicolons to observe output on command window .

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