The problem's figure is missing. We can use our solution for problem 1720 (https://nl.mathworks.com/matlabcentral/cody/problems/1720-do-the-lines-intersect). However, line matrices are transposed in this problem. And for the picture, we can imagine an instance of Buffon's needle problem without horizontal lines.
Getting the indices from a vector
Change the sign of even index entries of the reversed vector
Bell Number calculator
A SUBSREF variant that accepts the 'end'-operator.
Number of problems
Robust alignment of coordinate system
Only once: cleaning up your columns
Order of things - 1
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