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]
Create a cell array out of a struct
Multiply a column by a row
Close MATLAB with keyboard
Converts numbers into characters
Calculate the square root of a number
to the 2 all elements
Calculate the average value of the elements in the array
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