Make the following variable:
A 9x9 matrix full of 2's
(Hint: use ones or zeros)
Viable solution code should not be given explicitly within the Test Suite.
Check if sorted
Detect a number and replace with two NaN's
Colon operator of two vectors
Sum the 'edge' values of a matrix
03 - Matrix Variables 2
04 - Scalar Equations 2
07 - Common functions and indexing 2
02 - Vector Variables 1
06 - Matrix Equations 2
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