LaTeX符号语法总结
LaTeX符號語法總結
- 運算符
- 希臘字母
- 字母類符號
- 括號
- 箭頭
- 幾何學
- 函數
- 強調符號
- 空白符號
- 省略符號
- 數值編號
- 分式
- 上下標
- 根式
- 積分
- 求積
- 求和
- 極限
- 數列
- 矩陣
- 行列式
- 排列組合
- 分段函數
- 化學方程式
- 文本著色
- 文本加粗
運算符
| ±\pm± \pm | ?\mp? \mp | ≤\leq≤ \leq | ≥\geq≥ \geq | ≈\approx≈ \approx |
| %\%% % | ?\ast? \ast | ?\cdot? \cdot | ≡\equiv≡ \equiv | ?\cong? \cong |
| ∈\in∈ \in | ?\ni? \ni | ?\exists? \exists | ?\nexists? \nexists | ∝\propto∝ \propto |
| ∪\cup∪ \cup | ∩\cap∩ \cap | ⊥\perp⊥ \perp | ∥\parallel∥ \parallel | °\circ° \circ |
| ?\subseteq? \subseteq | ??? ? | ??? ? | ?\ncong? \ncong | ?\nsim? \nsim |
| === = | +++ + | ?\ll? \ll | ?\gg? \gg | ?\subset? \subset |
| ?\doteq? \doteq | <<< < | >>> > | ?\prec? \prec | ?\succ? \succ |
| ?\preceq? \preceq | ?\succeq? \succeq | ?\supset? \supset | ?\simeq? \simeq | ?\supseteq? \supseteq |
| ?\nsubseteq? \nsubseteq | ?\sqsubset? \sqsubset | ?\sqsupset? \sqsupset | ?\Join? \Join | ?\notin∈/ \notin |
| ∫\int∫ \int | ?\iint? \iint | ?\iiint? \iiint | ?\oiiint?? \oiiint | ∑\sum∑ \sum |
| ∏\prod∏ \prod | ?\coprod? \coprod | ?\bigwedge? \bigwedge | ?\bigvee? \bigvee | ?\bigcap? \bigcap |
| ?\bigcup? \bigcup | ?\bigodot? \bigodot | ?\bigoplus? \bigoplus | ?\bigotimes? \bigotimes | ?\biguplus? \biguplus |
| \\backslash\ \backslash | /// / | ?\divideontimes? \divideontimes | ?\star? \star | ?\wr? \wr |
| △\vartriangle△ \vartriangle | ?\ddag? \ddag | ?\diamond? \diamond | ?\dag? \dag | ∧\wedge∧ \wedge |
| ∨\vee∨ \vee | ⊙\odot⊙ \odot | ?\otimes? \otimes | ⊕\oplus⊕ \oplus | ?\ominus? \ominus |
| ?\Cup? \Cup | ?\Cap? \Cap | ?\dotplus? \dotplus | ?\intercal? \intercal | ∵\because∵ \because |
| ∴\therefore∴ \therefore | ∽\backsim∽ \backsim | ?\uplus? \uplus | ∝\propto∝ \propto | ?\oiint?? \oiint |
| ∮\oint∮ \oint | ?\bigsqcup? \bigsqcup | ?\vdash? \vdash | ?\dashv? \dashv | ?\bowtie? \bowtie |
| ?\sqsubseteq? \sqsubseteq | ?\sqsupseteq? \sqsupseteq | ?\models? \models | ∣\mid∣ \mid | ∥\parallel∥ \parallel |
| ?\smile? \smile | ?\frown? \frown | ?\asymp? \asymp | ::: : | ±\pm± \pm |
| ‵\backprime‵ \backprime | ′\prime′ \prime | ?????? ?? | ?????? ?? |
希臘字母
| ?\epsilon? \epsilon | ζ\zetaζ \zeta | η\etaη \eta | θ\thetaθ \theta | ι\iotaι \iota |
| κ\kappaκ \kappa | λ\lambdaλ \lambda | μ\muμ \mu | ν\nuν \nu | ξ\xiξ \xi |
| ρ\rhoρ \rho | σ\sigmaσ \sigma | τ\tauτ \tau | υ\upsilonυ \upsilon | φ\varphiφ \varphi |
| χ\chiχ \chi | ω\omegaω \omega | π\piπ \pi | ψ\psiψ \psi | ε\varepsilonε \varepsilon |
| ?\vartheta? \vartheta | ooo o | ?\varpi? \varpi | ?\varrho? \varrho | ?\varsigma? \varsigma |
| φ\varphiφ \varphi | Ξ\XiΞ \Xi | Γ\GammaΓ \Gamma | Δ\DeltaΔ \Delta | Λ\LambdaΛ \Lambda |
| Ω\OmegaΩ \Omega | Φ\PhiΦ \Phi | Ψ\PsiΨ \Psi | Π\PiΠ \Pi | Σ\SigmaΣ \Sigma |
| Θ\ThetaΘ \Theta | Υ\UpsilonΥ \Upsilon |
字母類符號
| ?\Finv? \Finv | ?\Re? \Re | ?\ell? \ell | e\ethe \eth | ?\Im? \Im |
| ?\hslash? \hslash | ?\complement? \complement | ?\wp? \wp | ?\forall? \forall |
括號
| }\}} \} | ∣\vert∣ \vert | ∥\Vert∥ \Vert | /// / |
箭頭
| ?\longleftarrow? \longleftarrow | ?\longrightarrow? \longrightarrow | ?\Leftarrow? \Leftarrow | ?\Rightarrow? \Rightarrow | ?\mapsto? \mapsto |
| ?\leftrightarrow? \leftrightarrow | ?\nleftarrow? \nleftarrow | ?\nrightarrow? \nrightarrow | ?\rightharpoonup? \rightharpoonup | ?\leftharpoonup? \leftharpoonup |
| ?\nleftrightarrow? \nleftrightarrow | ?\Leftrightarrow? \Leftrightarrow | ?\nLeftrightarrow? \nLeftrightarrow | ?\nLeftarrow? \nLeftarrow | ?\nRightarrow? \nRightarrow |
幾何學
| ?\star? \star | ?\bullet? \bullet | ★\bigstar★ \bigstar | □\square□ \square | °\circ° \circ |
函數
| lim?\limlim \lim | ln?\lnln \ln | log?\loglog \log | max?\maxmax \max | min?\minmin \min |
| tan?\tantan \tan | arg?\argarg \arg | lg?\lglg \lg | arcsin?\arcsinarcsin \arcsin | cot?\cotcot \cot |
| sh?\shsh \sh |
強調符號
| a?\vec{a}a \vec{a} | xyz ̄\overline{xyz}xyz? \overline{xyz} | xyz^\widehat{xyz}xyz? \widehat{xyz} | xyz~\widetilde{xyz}xyz? \widetilde{xyz} | aˇ\check{a}aˇ \check{a} |
| aˊ\acute{a}aˊ \acute{a} | aˋ\grave{a}aˋ \grave{a} | a?\breve{a}a? \breve{a} |
空白符號
| aba bab a b | a?ba \! bab a \! b |
省略符號
數值編號
| ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ | ⑨ | ⑩ | ||
| ⑴ | ⑵ | ⑶ | ⑷ | ⑸ | ⑹ | ⑺ | ⑻ | ⑼ | ⑽ | ||
| ㈠ | ㈡ | ㈢ | ㈣ | ㈤ | ㈥ | ㈦ | ㈧ | ㈨ | ㈩ |
分式
基本格式:
\frac{分子}{分母} → 分子分母\frac{分子}{分母}分母分子?
樣例:
dydx\frac{dy}{dx}dxdy? ← \frac{dy}{dx}
?y?x\frac{\partial{y}}{\partial{x}}?x?y? ← \frac{\partial{y}}{\partial{x}}
上下標
基本格式:
anytext_{downtext}^{uptext} → anytextdowntextuptextanytext_{downtext}^{uptext}anytextdowntextuptext?
也可以顛倒過來:anytext^{uptext}\_{downtext}
還可以只加一種:anytext_{downtext} 或 anytext^{uptext}
樣例:
x2x^{2}x2 ← x^{2}
H2OH_{2}OH2?O ← H_{2}O
根式
基本格式:
\sqrt[開根冪次數]{被開根數} → 被開根數開根冪次數\sqrt[開根冪次數]{被開根數}開根冪次數被開根數?
樣例:
2\sqrt{2}2? ← \sqrt{2}
23\sqrt[3]{2}32? ← \sqrt[3]{2}
3n\sqrt[n]{3}n3? ← \sqrt[n]{3}
積分
基本格式:
\int_{積分下限}^{積分上限} → ∫積分下限積分上限\int_{積分下限}^{積分上限}∫積分下限積分上限?
也可以顛倒過來:\int^{積分上限}_{積分下限}
樣例:
\int^{3}_{8}x^3dx → ∫83x3dx\int^{3}_{8}x^3dx∫83?x3dx
求積
基本格式:
\prod_{downtext}^{uptext}{text} → ∏downtextuptexttext\prod_{downtext}^{uptext}{text}∏downtextuptext?text
樣例:
\prod_{k=1}^{n}f(k) → ∏k=1nf(k)\prod_{k=1}^{n}f(k)∏k=1n?f(k)
要想把上下標放到求和/求積符號上方和下方,則格式為:
\prod\limits_{k=1}^{n}f(k) → ∏k=1nf(k)\prod\limits_{k=1}^{n}f(k)k=1∏n?f(k)
求和
\sum\limits_{downtext}^{uptext}{text} → ∑downtextuptexttext\sum\limits_{downtext}^{uptext}{text}downtext∑uptext?text
\sum\limits_{i=1}^{n}{f(i)} → ∑i=1nf(i)\sum\limits_{i=1}^{n}{f(i)}i=1∑n?f(i)
極限
\lim\limits_{x\to{0}}{\frac{\sin{x}}{x}}=1 → lim?x→0sin?xx=1\lim\limits_{x\to{0}}{\frac{\sin{x}}{x}}=1x→0lim?xsinx?=1
數列
A=\{a_{1},a_{2},\ldots,a_{n}\} → A={a1,a2,…,an}A=\{a_{1},a_{2},\ldots,a_{n}\}A={a1?,a2?,…,an?}
矩陣
\begin{matrix} 0 & 1 \\ 1 & 0 \end{matrix} → 0110\begin{matrix} 0 & 1 \\ 1 & 0 \end{matrix}01?10?
\begin{pmatrix} 0 & -i \\ i & 0 \end{pmatrix} → (0?ii0)\begin{pmatrix} 0 & -i \\ i & 0 \end{pmatrix}(0i??i0?)
\begin{bmatrix} 0 & -1 \\ 1 & 0 \end{bmatrix} → [0?110]\begin{bmatrix} 0 & -1 \\ 1 & 0 \end{bmatrix}[01??10?]
\begin{Bmatrix} 1 & 0 \\ 0 & -1 \end{Bmatrix} → {100?1}\begin{Bmatrix} 1 & 0 \\ 0 & -1 \end{Bmatrix}{10?0?1?}
\begin{bmatrix} 1 & 1 & \ldots & 1 \\ 2 & 2^{2} & \ldots & 2^{n} \\ 3 & 3^{2} & \ldots & 3^{n} \\ \vdots & \vdots & \ddots & \vdots \\ n & n^{2} & \ldots & n^{n} \end{bmatrix} → [11…1222…2n332…3n????nn2…nn]\begin{bmatrix} 1 & 1 & \ldots & 1 \\ 2 & 2^{2} & \ldots & 2^{n} \\ 3 & 3^{2} & \ldots & 3^{n} \\ \vdots & \vdots & \ddots & \vdots \\ n & n^{2} & \ldots & n^{n} \end{bmatrix}???123?n?12232?n2?………?…?12n3n?nn????
行列式
\begin{vmatrix} a & b \\ c & d \end{vmatrix} → ∣abcd∣\begin{vmatrix} a & b \\ c & d \end{vmatrix}∣∣?ac?bd?∣∣?
\begin{Vmatrix} i & 0 \\ 0 & -i \end{Vmatrix} → ∥i00?i∥\begin{Vmatrix} i & 0 \\ 0 & -i \end{Vmatrix}∥∥?i0?0?i?∥∥?
排列組合
\binom{a}{b}或\tbinom{a}{b} → (ab)\binom{a}{b}(ba?)
\dbinom{a}{b} → (ab)\dbinom{a}{b}(ba?)
C_{3}^{1} → C31C_{3}^{1}C31?
A_{3}^{1} → A31A_{3}^{1}A31?
分段函數
\Psi_{A}(x)=\begin{cases}1, & x\in{A} \\ 0, & x\notin{A} \end{cases} → ΨA(x)={1,x∈A0,x?A\Psi_{A}(x)=\begin{cases}1, & x\in{A} \\ 0, & x\notin{A} \end{cases}ΨA?(x)={1,0,?x∈Ax∈/A?
化學方程式
C+O_{2}\stackrel{點燃}{\longrightarrow}{CO_{2}} → C+O2?點燃CO2C+O_{2}\stackrel{點燃}{\longrightarrow}{CO_{2}}C+O2??點燃?CO2?
文本著色
\textcolor{red}{a+b=c} → a+b=c\textcolor{red}{a+b=c}a+b=c
文本加粗
不加粗:A → AAA
加粗:\textbf{A} → A\textbf{A}A
總結
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