creating array of random integer elements without repetition

hello ...

i want to create two diminsion array with random integer numbers without repetitions. i used (rand) but its not useful for me and also utilized (randperm) but it cont returen array with two diminsion , anybody have better solutions

thanks:)

Positions=rand(3,6);

Positions =

    0.3587    0.3888    0.1338    0.5000    0.8110    0.6735
    0.5236    0.6166    0.5943    0.3471    0.4452    0.5193
    0.3926    0.4391    0.6673    0.0145    0.2968    0.9036
    
Positions=randperm(6,6);

Positions =

     5     3     2     4     1     6

Answer 1

[Ameer Hamza]

You can reshape the randperm()

array_size = [3 6];
n = prod(array_size);
Positions = reshape(randperm(n), array_size)

[ahmed noori]

thanks that was so useful

[Ameer Hamza]

I am glad to be of help!!!