how can i get the x coordinate from a matrix???

2012 5 5
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I have 3*3 A matrix and i want only the x coordinate of A(2,1). how can i do that

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Aidin
Aidin 2012-5-5
Can you give an example for how you want to use this? It seems to me that the x and y coordinates are always known and hence there shouldnt be a problem.

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Aidin
Aidin 2012-5-5

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I am not sure I know how you want to use it but I imagine you can do something like this:
x = input('Give x coordinate: ')
y = input('Give y coordinate: ')
disp(['the x coordinate is', num2str(x)])
Basically, what I mean is I cant see a case where you get an x coordinate and y coordinate without knowing the value, and therefor you can always save the x coordinate in a variable x and use it when you want.

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