User:IssaRice/List of mathematical difficulties

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This pages lists some of the concepts in math that I had the most difficulty with.

  • material implication (introductory sources don't even mention the deduction theorem...)
  • the idea of a random variable, and how it relates to the sample space
    • expansion of sample space
    • the fact that we often only care about properties of random variables that are shared among all random variables with the same distribution
  • singular value decomposition, and classification of linear operators (once i did everything in a 2d real vector space, and could picture the geometry of each type of operator, everything made sense)
  • determinant of a matrix (watching https://www.youtube.com/watch?v=xX7qBVa9cQU cured me once and for all!)
  • chain rule of differentiation (the problem here was that i needed to study linear algebra beforehand)
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