Duplicate all elements in the array
The solution to this problem doesn't make any sense!!!
If you are using the word "duplicate" to mean multiply by 2, then the correct answer is [2,4,6], not [1,4,6]
Find the numeric mean of the prime numbers in a matrix.
Duplicate each element of a vector.
Equal to their cube
The sum of the numbers in the vector
Square the input
Convert characters into numbers
to the 2 all elements
the average value of the elements
Calculate the average value of the elements in the array
calculate the length of matrix
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