Count the index of the array
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Hi, I have a array like below: [0 0 0 0 0 0 0 0 0 10 0 0 0 0 15 0 17]
I want count how many numbers >0 in the array (like in this case count is 3 (because 10,15,&17). Can some please help me how to count this in matlab. Thanks in advance
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Azzi Abdelmalek
2014년 12월 20일
If your array doesn't contain negative numbers
a=[0 0 0 0 0 0 0 0 0 10 0 0 0 0 15 0 17]
out=nnz(a)
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Shoaibur Rahman
2014년 12월 20일
nnz will count the number of all non-zero elements in the array, including negatives. So, this function would be a better choice if you want to do so.
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