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 vector whose elements depend on the previous element
Find last zero for each column
Convert a Cell Array into an Array
Sum of the Multiplication of Vectors
Find the max element of the array
Converts numbers into characters
Calculate the average value of the elements in the array
calculate the length of matrix
to the 2 all elements
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