Define the variables a and b:
Use these to calculate y:
Hint: remember that:
Sums with Excluded Digits
Return the first and last character of a string
Basic arrays operations.
Duplicate a character
Length of the hypotenuse
06 - Matrix Equations 2
05 - Vector Equations 3
03 - Matrix Variables 6
07 - Common functions and indexing 5
07 - Common functions and indexing 3
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