LaTeX字典

一些基础的latex代码

Greek Letters

希腊
α A \alpha A
μ N \mu N
β B \beta B
ξ Ξ \xi \Xi
γ Γ \gamma \Gamma
o O o O
δ Δ \delta \ Delta
π Π \pi \Pi
ϵ ε E \epsilon \varepsilon E
ρ ϱ P \rho \varrho P
ζ Z \zeta Z
σ Σ \sigma \Sigma
η H \eta H
τ T \tau T
θ ϑ Θ \theta \vartheta \Theta
υ Υ \upsilon \Upsilon
ι I \iota I
ϕ φ Φ \phi \varphi \Phi
κ K \kappa K
χ X \chi X
λ Λ \lambda \Lambda
ψ Ψ \psi \Psi
μ M \mu M
ω Ω \omega \Omega

Operators

Operator 语法
cos \cos
sin \sin
lim \lim
exp \exp
\to
\infty
\equiv
mod \bmod
× \times

Power and Indices

符号 语法
1. $k_{n+1}$ k_{n+1}
2. $n^2$ n^2
3. $k_n^2$ k_n^2

Fractions and Binomials

符号 语法
1. $\frac{n!}{k!(n-k)!}$ \frac{n!}{k!(n-k)!}
2. $\binom{n}{k}$ \binom{n}{k}
3. $\frac{\frac{x}{1}}{x - y}$ \frac{\frac{x}{1}}{x - y}
4. $^3/_7$ ^3/_7

Roots

符号 语法
1. $\sqrt{k}$ \sqrt{k}
2. $\sqrt[n]{k}$ \sqrt[n]{k}

Sums and Integrals

符号 LaTeX
1. $\sum_{i=1}^{10} t_i$ \sum_{i=1}^{10} t_i
2. $\int_0^\infty\mathrm{e}^{-x}\,\mathrm{d}x$ \int_0^\infty \mathrm{e}^{-x}\,\mathrm{d}x
4. $\sum$ \sum
5. $\prod$ \prod
6. $\coprod$ \coprod
7. $\bigoplus$ \bigoplus
8. $\bigotimes$ \bigotimes
9. $\bigodot$ \bigodot
10. $\bigcup$ \bigcup
11. $\bigcap$ \bigcap
12. $\biguplus$ \biguplus
13. $\bigsqcup$ \bigsqcup
14. $\bigvee$ \bigvee
15. $\bigwedge$ \bigwedge
16. $\int$ \int
17. $\oint$ \oint
18. $\iint$ \iint
19. $\iiint$ \iiint
20. $\idotsint$ \idotsint
21. $\sum_{\substack{0<i<m \0<j<n}} P(i, j)$ \sum{\substack{0<i<m\0<j<n}} P(i, j)
22. $\dots$ \dots
23. $\int\limits_a^b$ \int\limits_a^b
24. $a’$ a`
25. $a^{\prime}$ a^{\prime}
25. $a’’$ a’’
26. $\int y\, \mathrm{d}x$ \int y\, \mathrm{d}x
27. $\hat{a}$ hat{a}
28. $\bar{a}$ \bar{a}
29. $\grave{a}$ \grave{a}
30. $\acute{a}$ \acute{a}
31. $\dot{a}$ \dot{a}
32. $\ddot{a}$ \ddot{a}
33. $\not{a}$ \not{a}
34. $\mathring{a}$ \mathring{a}
35. $\overrightarrow{AB}$ \overrightarrow{AB}
36. $\overleftarrow{AB}$ \overleftarrow{AB}
37. $a’’’$ a’’’
38. $\overline{aaa}$ \overline{aaa}
39. $\check{a}$ \check{a}
40. $\vec{a}$ \vec{a}
41. $\underline{a}$ \underline{a}
42. $\color{red}x$ \color{red}x
43. $\pm$ \pm
44. $\mp$ \mp
45. $\int y \mathrm{d}x$ \int y \mathrm{d}x
49. $!$ !
50. $\ddots$ \ddots
51. $\vdots$ \vdots
52. $\ldots$ \ldots
53. $\cdots$ \cdots
54. $\therefore$ \therefore
55. $\because$ \because

Brackets etc

符号 LaTeX
1. $(a)$ (a)
2. $[a]$ [a]
3. ${a}$ {a}
4. $\langle f \rangle$ \langle f \rangle
5. $\lfloor f \rfloor$ \lfloor f \rfloor
6. $\lceil f \rceil$ \lceil f \rceil
7. $\ulcorner f \urcorner$ \ulcorner f \urcorner