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 Palindrome Number
Extract leading non-zero digit
Alphabetize by last name
Rounding off numbers to n decimals
06 - Matrix Equations 3
02 - Vector Variables 3
07 - Common functions and indexing 4
04 - Scalar Equations 2
07 - Common functions and indexing 1
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