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).
Determine if a Given Number is a Triangle Number
Column norms of a matrix
Cell Counting: How Many Draws?
03 - Matrix Variables 3
04 - Scalar Equations 1
06 - Matrix Equations 1
05 - Vector Equations 3
05 - Vector Equations 1
03 - Matrix Variables 4
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