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]
Vectorizing, too easy or too hard?
Make a run-length companion vector
Set some matrix elements to zero
Basic arrays operations.
05 - Vector Equations 1
Duplicate each element of a vector.
Create a matrix X, where each column is a shifted copy of the vector v
Remove NaN ?
Find the elements of a matrix according to a defined property.
First non-zero element in each column
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