How to find the position of an element in a vector without using the find function
What is the distance from point P(x,y) to the line Ax + By + C = 0?
intersection of matrices
Given a 4x4 matrix, swap the two middle columns
subtract central cross
Create a random logical vector of N elements of which M are true.
Create a random vector of integers with given sum
Wayfinding 4 - Crossing, level 2
Only once: cleaning up your columns
Remove element(s) from cell array
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