It appears that Alfonso took 7 minutes to solve this challenge.
very clever simplifications (constant term in linear model is irrelevant, and optimal slope can only take a discrete set of values)
Tobias took at least 2 minutes to solve this challenge with Matlab. An elegant usage of a function and a Matlab optimization function. This solution also crushed the GJam BigDataset in 1.2 seconds.
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Project Euler: Problem 5, Smallest multiple
Solve the set of simultaneous linear equations
Remove the two elements next to NaN value
Calculate the area of a triangle between three points
Solve Rubik's Cube - Up to Two Face Moves
Mastermind II: Solve in 8 or less
Text File Read: 64 bit data set
GJam 2013 Veterans: Ocean View (Small)
Fix y_correct : Hack
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