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).
First non-zero element in each column
Back to basics 15 - Benchmark
Dimensions of a rectangle
construct matrix with identical rows
Sum of the Multiplication of Vectors
04 - Scalar Equations 2
05 - Vector Equations 2
06 - Matrix Equations 3
07 - Common functions and indexing 5
04 - Scalar Equations 1
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