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How to generate unique random integers between 1 to n (no two should be same)

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simar
simar 2012-2-21
移动：Jan 2022-11-11
Hello I want to generate (<n) unique random integers varying from 1 to n. I used the existing randint function which seems to be producing identical numbers between.
This is the line of code that I'm using
k = randint(l,1,(a(1)*a(2))-1)+1;

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Andrei Bobrov
Andrei Bobrov 2012-2-21
n = 8
l = 5
out = randperm(n,l)
OR
out1 = randperm(n)
out = out1(1:l)
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simar
simar 2012-2-22
does randperm(n,l)
works in similar to
out1 = randperm(n)
out = out1(1:l)
I mean can I trust the randomness of the numbers generated by the latter method???
Karakus Zekeriya
Karakus Zekeriya 2019-1-19
移动：Jan 2022-11-11
Thanks Andrei; very usefull. I was tried, was gave every times true result.

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