How to compare elements of a 2D array with other elements of the same array.
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I have an 2D array where I have to compare each element with all the others and save the index position if the two elements are equal.
How can I do that using lesser for loops?
I can't give the code for array here because it is a big data. Can you answer with an example.
Thanks .
Edit: Initial question might be unclear.
Just to give an example, suppose I have an array A:
A=[1 2 3 ; 2 9 5; 4 1 8]
Here A(1,1) and A(3,2) are both =1
I need to detect all of such pairs or collection of index(if more than two).
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