When the input is certainly not the global variable z, your function must return false. Otherwise return true. All inputs & variable values will be scalar.
Find the two most distant points
The Tower of Hanoi
Great Circle Distance
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Replace all zeros and NaNs in a matrix with the string 'error'
Back to basics: adding comments to your code
Code breaker, Part I: Operation Phoenix
Rate of event occurence: find percentiles of the distribution (for smallish rates)
Make your own Test Suite (part 2)
Make your own Test Suite (part 3)
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