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).
Read a column of numbers and interpolate missing data
vectorization in N
The sum of the numbers in the vector
03 - Matrix Variables 4
03 - Matrix Variables 2
06 - Matrix Equations 3
07 - Common functions and indexing 3
06 - Matrix Equations 1
02 - Vector Variables 4
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