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i want to find the location of a number in a matrix in matlab

I have a matrix lets say

x =
 2     2     3
 4     3     2
 6     4     8

now I want to get the location of a number 4.
I want ans like this :

ans=(2,1) (3,2)

as these are the locations for 4 in matrix.

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Use find:

[i,j] = find(x == 4)

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