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]
Make the vector [1 2 3 4 5 6 7 8 9 10]
Check if sorted
Distance walked 2D
Say something funny
Sum the 'edge' values of a matrix
First non-zero element in each column
vectorization in N
Create a matrix X, where each column is a shifted copy of the vector v
Matrix which contains the values of an other matrix A at the given locations.
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
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