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# Grouping and sharing of subcarriers in a random manner

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Prabha Kumaresan on 19 Dec 2017
Closed: MATLAB Answer Bot on 20 Aug 2021
Could anyone tell me how to group rows(row 1 with row 2 or row 3 with row 5 or row2 and row 3 with row5) in a random manner such that their values should be shared for the matrix C =
0 0.4089 0 0 0 0 0 0.4725 0 0 0 0
0 0 0 0.0038 0.0023 0 0 0 0 0 0 0
0 0 0.0018 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0.0003 0 0 0 0 0 0
0.0565 0 0 0 0 0 0 0 0.0263 0.0523 0 0
0 0 0 0 0 0 0.0313 0 0 0 0.0394 0.0367
Jan on 19 Dec 2017
@Prabha: Posting multiple questions concerning the same problem confuses the readers. Stay at one thread and discuss it there in one piece. Please follow KL's valuable advice carefully.
As i am unable to get the output in my code I am asking the question.
Asking many questions is not an efficient way to solve a problem. Better concentrate on one question and spend the time to formulate it clearly.

Vigneshwar Pesaru on 3 Jan 2018
It seems to be trivial code,if I understood properly.And I don't want to share any code but algorithm or logic to get your desired o/p.
1.Generate a random number between 1 and n;here n is nothing but [n,m]=size(i/p_matrix)
2.Declare a new empty matrix(as many times as you need) in a loop.
3.Start copying the elements row vise(how many number of rows you copy to the new empty matrix depends on the random number you have generated instantly).
Hope the above one works.