Write a function that finds where a curve crosses zero (the x-axis) to two decimal places
[0 ; 1.13 ; -0.53]
The ordering of roots in test case:
need to make it irrelevant (use set)
or sort in particular order (use sort)
Which doors are open?
Swap the input arguments
vectorization in N
Matlab Basics - Convert a row vector to a column vector
Matlab Basics II - Create a vector with a repeated entry
Matlab Basics II - Max & Index of Max
Matlab Basics II - Log and natural log
Matlab Basics - y as a function of x
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