Make fMat be a 5x3 matrix of random integers with values from -3 to 3
(Hint: use randi)
Test for randomness could be tightened (cf. Solution 1490988).
Right and wrong
Reverse the Words (not letters) of a String
Fill a zeros matrix
Replicate elements in vectors
Change the sign of even index entries of the reversed vector
03 - Matrix Variables 2
05 - Vector Equations 3
02 - Vector Variables 2
07 - Common functions and indexing 5
07 - Common functions and indexing 4
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