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Showing posts from October, 2012


Consider extremes while exploring. It is through extremes that we most successfully characterize shapes in the physical world, and we're pretty good at that, if I may say so. If extremes are not considered, everything might seem like just one big blob.


In any convex differentiable function, the set of points at which the gradient takes on a value M must be convex. If stricly convex, each of these sets is unary.