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how can i calculate how many number of times that 1 occurs.

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vetri veeran
vetri veeran 2014-12-13
编辑： Azzi Abdelmalek 2014-12-13
I have an array like this
x =
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
how can i calculate how many number of times that 1 occurs.

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Azzi Abdelmalek
Azzi Abdelmalek 2014-12-13
编辑：Azzi Abdelmalek 2014-12-13
x=repmat(1:4,4,1) % Example
out=sum(x(:)==1)
%or
out=nnz(x==1)

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