Every 2 rows (2x2 matrix) to perform determinant calculation
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Hi all, can i know how to extract every two rows of my data to perform determinant calculation?
For example i have data:
1 2
3 4
5 6
7 8
9 10
11 12
so i want to select every two rows in order to perform determinant calculation, how can i do that? my final results should be:
-2
-2
-2
Regards,
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Azzi Abdelmalek
on 24 Nov 2013
A=[1 2 ;3 4 ;5 6 ;7 8 ;9 10 ;11 12 ]
B=reshape(A',2,2,[])
out=arrayfun(@(x) det(B(:,:,x)),1:size(B,3))
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