Given a vector of natural numbers
x = [1,2,3,...,N]
compute the sum of its elements by not stressing the machine too much :)
HINT: maybe sum(1:N) won't pass the test suite..
Is A the inverse of B?
Solving Quadratic Equations (Version 1)
Product of Array
Geometrical meaning of determinant
Probabilities - More brains than luck
Probabilities - Balls and urns - 02
Area of polygon
Remove collinear points in a set of 2D points defining a polygon
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