github_mathjax_macro_tests.md

Test of Github inline-mathjax expression support:

Reference test expression - the Cauchy-Schwarz inequality, taken from Github's page on it's mathjax support:

https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/writing-mathematical-expressions

Modifiers: $\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)$

• Reference:
• $\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)$
• \cancel:
  • $\cancel{\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)}$
• \underline:
  • $\underline{\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)}$
• \bar:
  • $\bar{\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)}$

---

Modifiers: $x = 128$:

• Reference:
  • $x = 128$
• \cancel:
  • $\cancel{x = 128}$
• \underline:
  • $\underline{x = 128}$
• \bar:
  • $\bar{x = 128}$

---

Modifiers: $x$

• Reference:
  • $x$
• \cancel:
  • $\cancel{x}$
• \underline:
  • $\underline{x}$
• \bar:
  • $\bar{x}$

---

Symbols

• \bigcap:
  • $\bigcap$

---

Extensions

• \bbox[red, 2pt]{x + y}
  • $\bbox[red, 2pt]{x + y}$
• \require{bbox}\bbox[red, 2pt]{x + y}
  • $\require{bbox}\bbox[red, 2pt]{x + y}$
• \(\enclose{circle}{x}\)
  • $(\enclose{circle}{x})$
• \(\require{enclose} \enclose{circle}{x}\)
  • $(\require{enclose} \enclose{circle}{x})$