Create a vector from 0 to n by intervals of 2.
Function names cannot begin with a number. Also, this is an extremely simple problem that has been posted many times. Please put more thought into problems before posting them.
I changed the problem slightly and added some more test cases.
Omit columns averages from a matrix
Duplicate each element of a vector.
Perfect Square or not
Flip the vector from right to left
Divide by 4
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