One recalls the efforts of Alain Grinsoll (1823-78) to industrialize mathematics in Victorian England. Huge math factories were built along Thames where displaced farm children were chained to benches in order to solve problems related to train scheduling. Origin of “Mean Time.”
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What a horrible picture
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now 0! = 1 seems pretty logic
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That’s a limit isn’t it?
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The recursion tree. And how dynamic programming is a dynamic improvement :)
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And yet I need a good way to visualize subfactorial growth


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Take factorial growth and imagine roughly 1/3 of it.
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What cells divide this way? Asking for a friend.pic.twitter.com/JVuEzOwisD
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Well, that escalated quickly
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It is hard to visualize factorial growth with a tree diagram. Going beyond 3! is hard with it. A pixel-based growth in a picture would look much better. Start with a circle, keep growing its area with the factorial. Maybe show the radius the circle too. Somebody do this please.
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