The ordering of roots in test case:
need to make it irrelevant (use set)
or sort in particular order (use sort)
Summing Digits within Text
give nth decimal place of pi
Make one big string out of two smaller strings
Product of elements in row
Matlab Basics - Convert a row vector to a column vector
Replace every 3rd element in a vector with 4
Finding an element in a vector
Matlab Basics II - Determine if an array has a 3rd dimension
Matlab Basics II - 3 Dimensional Arrays
Matlab Basics - Switching Assignments
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