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).
Make a checkerboard matrix
The Goldbach Conjecture
Replace Vector Elements
Say something funny
Create matrix of replicated elements
02 - Vector Variables 5
06 - Matrix Equations 3
04 - Scalar Equations 2
02 - Vector Variables 2
07 - Common functions and indexing 1
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