Return the first and last characters of a character array
Set some matrix elements to zero
Create an n-by-n null matrix and fill with ones certain positions
Sum of diagonals elements of a matrix
Divide by 4
Matlab Basics - Switching Assignments
Matlab Basics II - Free Fall
Matlab Basics II - Extract last 3 elements of a vector
Matlab Basics - Rounding I
Matlab Basics - Logical Tests I
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