MATLAB: Count the number of 1 in each row

countmatrixnumbersrow

 I have a matrix like this
A = [0 1 0 1 1 0 1 1 1 1
     1 1 1 0 1 1 0 0 0 1]
and i want to count the number of 1's in each row every 5 numbers
the output will be 
3 4
4 2
Thank you :)

Best Answer

A = [0 1 0 1 1 0 1 1 1 1
   1 1 1 0 1 1 0 0 0 1]
B=reshape(A,size(A,1),5,[])
out=sum(B,2)
out=out(:,:)
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