Please add more cases to the test suite, or else it is trivial to solve this problem.
Rafael is right and since you made this into a badge problem it is even more essential to fix this
Whether the input is vector?
Determine Whether an array is empty
Convert a vector into a number
Replicate elements in vectors
Element by element multiplication of two vectors
Find Logic 13
Find Logic 5
Find Logic 18
Find Logic 9
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