Say something funny
Given a matrix, swap the 2nd & 3rd columns
04 - Scalar Equations 2
square a vector-Given the variable x as your input, square it and put the result in y.
Geometrical meaning of determinant
Remove collinear points in a set of 2D points defining a polygon
Area of polygon
Probabilities - More brains than luck
Non trivial identities - reshape
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