Counting elements of a matrix/array

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Alex Flores
Alex Flores 2017-4-22
编辑： Alex Flores 2017-4-22
I have a 1000x1000 array of uniformly distributed random numbers between -1 to 1. I need to come up with a way to count how many negative numbers are generated are in the array without using loops. I was able to do it with loops, but I am struggling with trying to figure out how to do it without loops. any answer is very appreciated :)

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KSSV
KSSV 2017-4-22
doc numel

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