How to count a specific value from column to column

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Jonas Damsbo
Jonas Damsbo 2019-1-3
编辑： madhan ravi 2019-1-3
Hey
Maybe a simple question. But if I have a vector lets say 15x1 vector like:
[1 1 1 0 1 0 0 1 0 0 1 0 1 0 1]
Now I want to count the number 1 in range of 5 columns so I get a new vector:
[4 1 3]
Anyway to do that?

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madhan ravi
madhan ravi 2019-1-3
编辑：madhan ravi 2019-1-3
a=[1 1 1 0 1 0 0 1 0 0 1 0 1 0 1];
Result=sum(reshape(a',5,[]))
Gives:
Result =
4 1 3

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