how to assign randomly generated numbers to a matrix say 10 by 2?

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chan
chan 2015-9-29
评论： chan 2015-9-29
i have created random numbers using the code k1=randi([1,1000],1,10) Now how to assign this 10 randomly generated numbers to a matrix 10 by 2 with repetition allowed.

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Walter Roberson
Walter Roberson 2015-9-29
编辑：Walter Roberson 2015-9-29
X = randi([1,1000],10, 1);
while true
M = [X, X(randperm(length(X)))];
if all(diff(M,2)~=0); break; end
end
The while loop removes the possibility that a number is matched with itself.

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