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)
Replace NaNs with the number that appears to its left in the row.
Number of digits in an integer
Find the hypotenuse
convert matrix to single column
Matlab Basics II - Intervals
Matlab Basics II - Minimum
Matlab Basics - y as a function of x
Matlab Basics - Rounding III
Matlab Basics - Create a row vector
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