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).
Detect a number and replace with two NaN's
sum of non-primes
Reverse the elements of an array
Generate a random matrix A of (1,-1)
03 - Matrix Variables 5
03 - Matrix Variables 3
04 - Scalar Equations 3
01 - Scalar variables
02 - Vector Variables 5
02 - Vector Variables 3
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