The test is wrong, the right answer is y_correct = [2 1 3 2];
Select every other element of a vector
Find perfect placement of non-rotating dominoes (easier)
frame of the matrix
Relative ratio of "1" in binary number
Duplicate each element of a vector.
Create a matrix X, where each column is a shifted copy of the vector v
Matrix with different incremental runs
vectorization in N
Find the elements of a matrix according to a defined property.
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