The ordering of roots in test case:
need to make it irrelevant (use set)
or sort in particular order (use sort)
Doubling elements in a vector
Given a 4x4 matrix, swap the two middle columns
Matrix multiplication across rows
Create an anti-identity matrix
Matlab Basics II - Velocity of a particle
Matlab Basics II - Max & Index of Max
Matlab Basics - Absolute Value
Replace every 3rd element in a vector with 4
Matlab Basics - Rounding II
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