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How to create a specific Matrix

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Sara Trova
Sara Trova on 5 Mar 2020
Commented: Sara Trova on 5 Mar 2020
Hi !
Can anyone help me in builting this specific matrix? I do not know if the "randi" function is the exact one.
Thank you in advance for your help!

Answers (2)

KSSV
KSSV on 5 Mar 2020
c = [1 1 2 2 3 3]' ;
iwant = repmat(l',1,4) ;

Bhaskar R
Bhaskar R on 5 Mar 2020
M = repelem([1:3]', 2, 4)

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