alexkritchevsky

a blog — about — atom
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articles:
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Math & Physics posts

  • All the Exterior Algebra Operations — October 15, 2020
  • The essence of complex analysis — August 10, 2020
  • The essence of (the math of) quantum mechanics — July 24, 2020
  • A possible derivation of the Born Rule — December 22, 2019
  • Aphantasia (and how not to do math in your head) — September 15, 2019
  • Oriented Projective Geometry — February 23, 2019
  • Exterior Algebra #5: EA as Linearized Set Theory? — February 13, 2019
  • Exterior Algebra Notes #4: The Interior Product — January 27, 2019
  • Exterior Algebra Notes #3: The Hodge Star — January 26, 2019
  • All About Taylor Series — December 28, 2018
  • Infinite Summations and You — November 1, 2018
  • Exterior Algebra Notes #2: the Inner Product — October 9, 2018
  • Exterior Algebra Notes #1: Matrices and Determinants — October 8, 2018
  • Oriented Areas and the Shoelace Formula — August 6, 2018
  • Geometric Mean and Geometric Standard Deviation — June 15, 2018
  • Meditation on Taylor Series — March 30, 2018
  • Some Intuition Around Entropy — February 23, 2018

Math & Physics notes

  • Bayesian Inference
  • A Pauli Hamiltonian Calculation
  • Quick note on survival analysis
  • Note on inverting a matrix
  • Intersection notes
  • Note on Covariance and Lagrangians
  • Quaternions
  • The Reverse Triangle Inequality
  • Trigonometric Identities
  • Notations for vectors and matrices