It needs more than one test
agree! it is easy to cheat!
The only valid excuse for cheating is when the test suite is broken since we cannot fix it. Kobayashi Maru.
Remove the air bubbles
Distance walked 2D
Number of toolboxes?
Doubling elements in a vector
Duplicate each element of a vector.
Find the elements of a matrix according to a defined property.
Matrix with different incremental runs
A quadrant matrix
Create a matrix X, where each column is a shifted copy of the vector v
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