First occurance problem in the adjacent coloumn

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Anurag Gupta
Anurag Gupta on 28 Oct 2020
Commented: Anurag Gupta on 28 Oct 2020
I have a matrix A=[1 9
9 10
10 11
11 2]
I want to find out the first occurance of j in coloumn 2 after occurance of i in 1st coloumn at index idx.
i tried idx2 = find(A(idx:end, 2) == j, 'first') but it shows me error Second argument must be a positive scalar integer.
Help is much appreciated thanking in advance.

Answers (1)

madhan ravi
madhan ravi on 28 Oct 2020
[~, ix1_2] = max(A == [ii, jj])
  1 Comment
Anurag Gupta
Anurag Gupta on 28 Oct 2020
Hi Madhan,
Thanks for replying to my query. although it is a bit difficult for me to understand the answer. it would be great if you can give a bit elaborative answer in context to my question.

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