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).
How to find the position of an element in a vector without using the find function
Back to basics 25 - Valid variable names
Add two numbers
07 - Common functions and indexing 5
07 - Common functions and indexing 3
03 - Matrix Variables 1
02 - Vector Variables 1
06 - Matrix Equations 2
07 - Common functions and indexing 4
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