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Mathematics LibreTexts

A: List of Symbols

  • \(\epsilon\) "Is an element of".
  • \(\sim\) "Is equivalent to", see equivalence relations. Also "is row equivalent to" for matrices.
  • \(\mathbb{R}\) The real numbers.
  • \(I_{n}\) The \(n \times n\) identity matrix.
  • \(P_{n}^{\mathbb{F}}\) The vector space of polynomials of degree at most \(n\) with coeficients in the field \(\mathbb{F}\).
  • \(\mathbb{M}_{k}^{r}\) The vector space of \(r \times k\) matrices.