Write a function that accepts as input a vector and returns the same vector, but retaining only the first occurrence of an element whenever there is consecutive repetition of this element.
in -> [1 2 2 2 3 4 4 3 5]
out-> [1 2 3 4 3 5]
Find the sum of all the numbers of the input vector
Determine if input is odd
How long is the longest prime diagonal?
Count decimal digits of a number
Duplicate each element of a vector.
Matrix with different incremental runs
A quadrant matrix
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Create a matrix X, where each column is a shifted copy of the vector v
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