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Finding the number of values bigger than a certain number in an array?

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James Newton
James Newton 2012-9-26
Suppose I have an array of 50 numbers, how would I find the number of elements bigger than say 21 in an array of random numbers? Conversely, for less than as well.

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Tom
Tom 2012-9-26
编辑：Tom 2012-9-26
x=50*rand(7);
a= x > 21;
numel(a(a>0))

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