Remove the middle element of a vector?
[1,2,3] should return 2
[1,2,3,4] should return 2
 should return empty vector
Remove or return ?
keep it or remove it? confused example.
Get the length of a given vector
Given a 4x4 matrix, swap the two middle columns
05 - Vector Equations 3
Matlab Basics - Convert a row vector to a column vector
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