常用的latex符号总结一下,方便下次查阅,每次都要baidu也挺麻烦。
1 常用公式
含义 |
符号 |
语法 |
x
y
x^{y}
xy |
上标 |
x^{y} |
x
1
x_{1}
x1 |
下标 |
x_{1} |
∑
1
n
\sum_{1} ^{n}
∑1n |
求和 |
\sum |
∏
1
n
\prod_{1} ^{n}
∏1n |
连乘 |
\prod |
∫
1
n
\int_{1} ^{n}
∫1n |
积分 |
\int |
⋂
\bigcap
⋂ |
交 |
\bigcap |
⋃
\bigcup
⋃ |
并 |
\bigcup |
x
\sqrt{x}
x
|
开方 |
\sqrt{x} |
x
n
\sqrt[n]{x}
nx
|
n次方根 |
\sqrt[n]{x} |
x
y
\frac{x}{y}
yx |
分式 |
\frac{x}{y} |
注: 求和符号若要写成:
∑
i
=
1
n
\sum_{i=1} ^{n}
i=1∑n 需要使用两个 $$ \sum_{i=1} ^{n} $ $.
2 常用符号
符号 |
语法 |
∞
\infty
∞ |
\infty |
∂
\partial
∂ |
\partial |
∀
\forall
∀ |
\forall |
∃
\exists
∃ |
\exists |
<
<
< |
< |
≤
\leq
≤ |
\leq |
>
>
> |
> |
≥
\geq
≥ |
\geq |
⊂
\subset
⊂ |
\subset |
⊆
\subseteq
⊆ |
\subseteq |
∈
\in
∈ |
\in |
⊃
\supset
⊃ |
\supset |
≡
\equiv
≡ |
\equiv |
∼
\sim
∼ |
\sim |
≃
\simeq
≃ |
\simeq |
≠
\neq
= |
\neq |
≈
\approx
≈ |
\approx |
∝
\propto
∝ |
\propto |
∥
\parallel
∥ |
\parallel |
∣
\mid
∣ |
\pm |
∗
\ast
∗ |
\ast |
⋅
\cdot
⋅ |
\cdot |
3 希腊字母
字母小写 |
大写 |
小写语法 |
大写语法 |
α
\alpha
α |
A
A
A |
\alpha |
A |
β
\beta
β |
B
B
B |
\beta |
B |
γ
\gamma
γ |
Γ
\Gamma
Γ |
\gamma |
\Gamma |
δ
\delta
δ |
Δ
\Delta
Δ |
\delta |
\Delta |
ϵ
\epsilon
ϵ
ε
\varepsilon
ε |
E
E
E |
\epsilon \varepsiln |
E |
ζ
\zeta
ζ |
Z
Z
Z |
\zeta |
Z |
η
\eta
η |
H
H
H |
\eta |
H |
θ
\theta
θ
ϑ
\vartheta
ϑ |
E
E
E |
\theta \vartheta |
E |
ι
\iota
ι |
I
I
I |
\iota |
I |
κ
\kappa
κ |
K
K
K |
\kappa |
K |
λ
\lambda
λ |
Λ
\Lambda
Λ |
\lambda |
\Lambda |
μ
\mu
μ |
M
M
M |
\mu |
\M |
ν
\nu
ν |
N
N
N |
\nu |
N |
ξ
\xi
ξ |
Ξ
\Xi
Ξ |
\xi |
\Xi |
o
o
o |
O
O
O |
o |
O |
π
\pi
π |
Π
\Pi
Π |
\pi |
\Pi |
ρ
\rho
ρ
ϱ
\varrho
ϱ |
P
P
P |
\rho \varrho |
P |
σ
\sigma
σ |
Σ
\Sigma
Σ |
\sigma |
\Sigma |
τ
\tau
τ |
T
T
T |
\tau |
T |
υ
\upsilon
υ |
Υ
\Upsilon
Υ |
\upsilon |
\Upsilon |
ϕ
φ
\phi \varphi
ϕφ |
Φ
\Phi
Φ |
\phi \varphi |
\Phi |
χ
\chi
χ |
X
X
X |
\chi |
X |
ψ
\psi
ψ |
Ψ
\Psi
Ψ |
\psi |
\Psi |
ω
\omega
ω |
Ω
\Omega
Ω |
\omega |
\Omega |