Define the variables a and b:
Use these to calculate y:
Hint: remember that:
Find the sum of the elements in the "second" diagonal
Return elements unique to either input
Reverse the elements of an array
07 - Common functions and indexing 3
02 - Vector Variables 1
02 - Vector Variables 4
03 - Matrix Variables 6
03 - Matrix Variables 4
07 - Common functions and indexing 5
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