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EricLengyel

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How many people were taught that the formulas for the dot product (x₁x₂ + y₁y₂ + z₁z₂) and cross product (y₁z₂ − y₂z₁, z₁x₂ − z₂x₁, x₁y₂ − x₂y₁) are simply definitions and cannot be derived?

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@EricLengyel I hope this a prelude for a tweetorial!

@EricLengyel I hope this a prelude for a tweetorial!

Properties5
typearchive
sourcetwitter
date2020-02-17
tagsarchive, twitter, ericlengyel
description@EricLengyel I hope this a prelude for a tweetorial!

Feb 17, 20201 min read

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Source

  • URL: https://x.com/CShamone/status/1229230851872870401
  • Author: One propylcyclobutane 🌲🍀🌿🌷🐸 (@CShamone)
  • Posted: 2020-02-17 02:27:27

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@EricLengyel

I hope this a prelude for a tweetorial!

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  • How many people were taught that the formulas for the dot product (x₁x₂ + y₁y₂ + z₁z₂) and cross product (y₁z₂ − y₂z₁, z₁x₂ − z₂x₁, x₁y₂ − x₂y₁) are simply definitions and cannot be derived?

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