latex

操作符号

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\pm ±\pm \div ÷\div \mp \mp
\star \star \amalg ⨿\amalg \times ×\times
\div ÷\div \cdot \cdot \ast \ast
\star \star \dagger \dagger \ddagger \ddagger
\amalg ⨿\amalg \cap \cap \cup \cup
\uplus \uplus \sqcap \sqcap \sqcup \sqcup
\vee \vee \wedge \wedge \oplus \oplus
\ominus \ominus \otimes \otimes \circ \circ
\bullet \bullet \diamond \diamond \lhd \lhd
\rhd \rhd \unlhd \unlhd \unrhd \unrhd
\oslash \oslash \odot \odot \bigcirc \bigcirc
\triangleleft \triangleleft \Diamond \Diamond \bigtriangleup \bigtriangleup
\bigtriangledown \bigtriangledown \Box \Box \triangleright \triangleright
\setminus \setminus \wr \wr \sqrt{x} x\sqrt{x}
\a_x axa_x \triangledown \triangledown \sqrt[n]{x} xn\sqrt[n]{x}
a^x axa^x a^{xyz} axyza^{xyz}

关系符号

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\le \le \ge \ge \neq \neq
\sim \sim \ll \ll \gg \gg
\doteq \doteq \simeq \simeq \supset \supset
\approx \approx \asymp \asymp \subseteq \subseteq
\cong \cong \smile \smile \sqsubset \sqsubset
\equiv \equiv \frown \frown \sqsupseteq \sqsupseteq
\propto \propto \bowtie \bowtie \in \in
\ni \ni \prec \prec \succ \succ
\vdash \vdash \dashv \dashv \preceq \preceq
\succeq \succeq \models \models \perp \perp
\parallel \parallel \mid \mid \bumpeq \bumpeq
  • 在\后加一个n变成否定
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\mid \nmid \ngeq \ngeq \nleq \nleq
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\alpha $\alpha$ \beta β\beta \gamma γ\gamma
\delta δ\delta \epsilon ϵ\epsilon \varepsilon ε\varepsilon
\zeta ζ\zeta \eta η\eta \theta θ\theta
\vartheta ϑ\vartheta \iota ι\iota \kappa κ\kappa
\lambda λ\lambda \mu μ\mu \nu ν\nu
\xi ξ\xi \pi π\pi \varpi ϖ\varpi
\rho ρ\rho \varrho ϱ\varrho \sigma σ\sigma
\varsigma ς\varsigma \tau τ\tau \upsilon υ\upsilon
\phi ϕ\phi \varphi φ\varphi \chi χ\chi
\psi ψ\psi \omega ω\omega

α\alpha $\alpha$

  • 大写
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\Gamma Γ\Gamma \Delta Δ\Delta \Theta Θ\Theta
\Lambda Λ\Lambda \Xi Ξ\Xi \Pi Π\Pi
\Sigma Σ\Sigma \Upsilon Υ\Upsilon \Phi Φ\Phi
\Psi Ψ\Psi \Omega Ω\Omega \nabla \nabla
  • 加粗
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\bold \Gamma Γ \bold \Gamma \bold {GGG}GG GGGGG \bold {GGG}GG
  • 空心字母
命令 显示
\mathbb {GAM}MA GAMMA \mathbb {GAM}MA

箭头

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\gets \gets \to \to \leftarrow \leftarrow
\Leftarrow \Leftarrow \rightarrow \rightarrow \Rightarrow \Rightarrow
\leftrightarrow \leftrightarrow \Leftrightarrow \Leftrightarrow \mapsto \mapsto
\hookleftarrow \hookleftarrow \leftharpoonup \leftharpoonup \leftharpoondown \leftharpoondown
\rightleftharpoons \rightleftharpoons \longleftarrow \longleftarrow \Longleftarrow \Longleftarrow
\longrightarrow \longrightarrow \Longrightarrow \Longrightarrow \longleftrightarrow \longleftrightarrow
\Longleftrightarrow \Longleftrightarrow \longmapsto \longmapsto \hookrightarrow \hookrightarrow
\rightharpoonup \rightharpoonup \rightharpoondown \rightharpoondown \leadsto \leadsto
\uparrow \uparrow \Uparrow \Uparrow \downarrow \downarrow
\Downarrow \Downarrow \updownarrow \updownarrow \Updownarrow \Updownarrow
\nearrow \nearrow \searrow \searrow \swarrow \swarrow
\nwarrow \nwarrow

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\cdot \cdot \vdot \vdots \cdots \cdots
\ddots \ddots

参考

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