How to create a smaller matrix from a larger one?

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Rand Renwar
Rand Renwar le 30 Sep 2016
Modifié(e) : KSSV le 30 Sep 2016
So if I were to have a matrix M
M = [ 0 4 5 6
3 9 1 4];
And I wanted to create a smaller Matrix Z from M
Z = [ 5
1]
What would be the easiest/fastest way to do this?

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KSSV
KSSV le 30 Sep 2016
Modifié(e) : KSSV le 30 Sep 2016
Z = M(:,3) ; % Z happens to be a third column in M
Read about matrix indexing.
https://in.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html

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