There is a 3d matrix [A] that consist of many zeros and only one.
Where is one? Find [i j k].
(hint:use find and ind2sub)
Finding Perfect Squares
Most nonzero elements in row
Make a Palindrome Number
Divisors of an integer
Matrix multiplication across rows
Change matrix to vector
Replace 0 to NaN!
How to permute given 3d matrix?
Weighted moving average
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