Find the nearest integer
Sum of diagonals elements of a matrix
Find out total non zero element of matrix
find the mean of all elements in a matrix
Create a vector of n alternating ones and zeros (★★)
Sum of terms in a series 2 (★★★)
Median computation (★★★)
Approximate functions 1 (★★★)
Create a vector of n alternating ones and minus ones (★★)
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