Counting elements of a matrix/array

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 :)

Answer 1

[KSSV]

doc numel