Make the following variable:
A 9x9 matrix of zeros, but with the following values on the main diagonal:
(Hint: use diag)
Which doors are open?
Convert a vector into a number
How many trades represent all the profit?
Test Problem; Create a 5x5 array containing all ones
02 - Vector Variables 3
07 - Common functions and indexing 4
02 - Vector Variables 2
03 - Matrix Variables 4
03 - Matrix Variables 3
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