how many number in col have certain number

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Sameer
Sameer 2014-5-13
回答： dpb 2014-5-13
How do u input a code that indicates how many how numbers in a col vector are greater than a certain number?
i.e. x has 5000 rows, and I am trying to see which how many rows are greater than 0.

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回答（1 个）

dpb
dpb 2014-5-13
sum(x>0)

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