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generate pair numbers randomly

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ananaya
ananaya 2022-7-11
评论： Image Analyst 2022-7-11
I want to pair two numbers randomly in each pair as [ 5 8] [ 11 4] [3 17] .....
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Image Analyst
Image Analyst 2022-7-11
Are repeats, either in the same row or in different rows, allowed? Or do all numbers need to be different? Must the numbers be integers, or can they be floating point/fractional?
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回答（2 个）

Hrusheekesh
Hrusheekesh 2022-7-11
hi ananya,
it is my understanding that you want to create a array of pairs with random vaues. but is there any constraints like the range or max value.
anyways if there is a value try this
a=20;
idx=reshape(randperm(a,[],2);
KSSV
KSSV 2022-7-11
Ran in:
Say you want to pair numbers randomly between 1 to 20.
n = 10 ;
iwant = zeros(n,2) ;
for i = 1:n
iwant(i,:) = randperm(20,2) ;
end
iwant
iwant = 10×2
11 8 16 14 8 1 20 18 11 6 6 20 4 18 15 14 5 3 18 2

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