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There is much truth to this post about about #math textbooks.

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    Here is a “magic trick”Give kids colored cards.red card- 1 dotblue card- 2 dotsgreen card- 4 dotsyellow card- 8 dots“Show me a total of x dots!”(x is a number between 1 and 15)“look around, why are you all holding up the same cards? isn’t anyone creative enough to find another way?”then ask what goes on the “next card” #matheducation #math #binary
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    Sometimes I wander into wonderful rabbit holes.This week's adventure, "What’s the fastest way to multiply two 32-bit numbers on an ARM Cortex-M0 CPU?"If you're thinking Karatsuba multiplication (https://en.wikipedia.org/wiki/Karatsuba_algorithm), you’re wrong.While Karatsuba offers a lower asymptotic complexity (around O(n^1.58)), it only pays off when used recursively on larger integers.On the Cortex-M0, Karatsuba runs much slower than the plain naïve multiply. It turns out, simplicity wins at this scale.Godbolt Source:https://godbolt.org/z/4rP7bnv6r#programming #math
  • Markov Chains

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    Markov Chains#math #ai https://setosa.io/ev/markov-chains/
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    Mathstodon.xyz is a Mastodon server for people who love mathematics. We have LaTeX rendering in the web interface!This server has a post size of up to 1729 characters, and has been online since 2017. https://mathstodon.xyzYou can find out more at https://mathstodon.xyz/about or contact the admin @christianp #FeaturedServer #Mathematics #Maths #Math #Mastodon #Fediverse #FreeFediverse