Mathematic Notation

1. Mathematical Symbols

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CREATED: <2025-05-21 Wed 19:58>

[2025-05-21 Wed 19:59] – wiki

  • used to represent mathematical objects

– blackboard bold

  • 8! = factorial of 8 (40320)

2. Set-builder notation

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CREATED: <2025-05-21 Wed 19:59>

[2025-05-21 Wed 19:59] – wiki

3. Einstein Notation

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AKA: Einstein summation notation

[2025-05-22 Thu 18:01] – wiki [2025-05-22 Thu 19:27] -> Ricci calculus

  • Implies summation over a set of indexed terms in a formula, thus achieving brevity.
  • Introduced by Albert Einstein in 1916

4. Abstract Index Notation

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CREATED: <2025-05-22 Thu 19:31>

[2025-05-22 Thu 19:31] – wiki