How many positive entries in array

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Mate 2u
Mate 2u 2012-4-1
编辑： hidayet beyhan 2020-3-28
I have a 1450x1 array. I want to count how many positive entries in array?

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采纳的回答

Wayne King
Wayne King 2012-4-1
x = randn(1450,1);
indices = find(x>0);
length(indices)
or
count = length(nonzeros(x(x>0)));

更多回答（1 个）

hidayet beyhan
hidayet beyhan 2020-3-28
编辑：hidayet beyhan 2020-3-28
Or you can use for an array:
x = randn(1450,1);
sum(x>0)

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