how to find the number of 1 in a single column?
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My input is
0 0 0 0 1 0 0 1 1 0 0 0 1 0
I should find how many 1 is present
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Answers (6)
Sivakumaran Chandrasekaran
on 5 Sep 2012
Matt Tearle
on 5 Sep 2012
Edited: Matt Tearle
on 5 Sep 2012
idx = find(all(bsxfun(@eq,x,y),2));
where x is your matrix and y is your test vector (eg y = x(1,:), in your example). For example
x = randi(4,1000,5);
y = x(3,:);
idx = find(all(bsxfun(@eq,x,y),2))
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