数学符号和对应的LaTeX代码：
| 符号显示 |
LaTeX代码 |
符号显示 |
LaTeX代码 |
| ∑ |
$\sum$ |
∑_{i=0}^n |
$\sum_{i=0}^n$ |
| ∏ |
$\prod$ |
∏_{i=0}^n |
$\prod_{i=0}^n$ |
| × |
$\times$ |
∗ |
$\ast$ |
| ± |
$\pm$ |
÷ |
$\div$ |
| ∣ |
$\mid$ |
⋅ |
$\cdot$ |
| ⨀ |
$\bigodot$ |
≈ |
$\approx$ |
| ≤ |
$\leq$ |
≥ |
$\geq$ |
| ≠ |
$\neq$ |
≡ |
$\equiv$ |
| x̄ |
$\overline{x}$ |
x̲ |
$\underline{x}$ |
| x̂ |
$\hat{x}$ |
x̌ |
$\check{x}$ |
| x̆ |
$\breve{x}$ |
↑ |
$\uparrow$ |
| ↓ |
$\downarrow$ |
← |
$\leftarrow$ |
| → |
$\rightarrow$ |
⇑ |
$\Uparrow$ |
| ⇓ |
$\Downarrow$ |
⇐ |
$\Leftarrow$ |
| ⇒ |
$\Rightarrow$ |
⟵ |
$\longleftarrow$ |
| ⟶ |
$\longrightarrow$ |
⟸ |
$\Longleftarrow$ |
| ⟹ |
$\Longrightarrow$ |
∵ |
$\because$ |
| ∴ |
$\therefore$ |
∀ |
$\forall$ |
| ∃ |
$\exists$ |
y′ |
$y'$ |
| ∫ |
$\int$ |
∬ |
$\iint$ |
| ∭ |
$\iiint$ |
∮ |
$\oint$ |
| lim |
$\lim$ |
∞ |
$\infty$ |
| ∇ |
$\nabla$ |
⊥ |
$\bot$ |
| ∠30° |
$\angle 30^\circ$ |
sin |
$\sin$ |
| cos |
$\cos$ |
tan |
$\tan$ |
| cot |
$\cot$ |
sec |
$\sec$ |
| csc |
$\csc$ |
log |
$\log$ |
| lg |
$\lg$ |
ln |
$\ln$ |
| ∅ |
$\emptyset$ |
∈ |
$\in$ |
| ∉ |
$\notin$ |
⊂ |
$\subset$ |
| ⊃ |
$\supset$ |
⊆ |
$\subseteq$ |
| ⊇ |
$\supseteq$ |
⋂ |
$\bigcap$ |
| ⋃ |
$\bigcup$ |
⋁ |
$\bigvee$ |
| ⋀ |
$\bigwedge$ |
⨄ |
$\biguplus$ |
| ⨆ |
$\bigsqcup$ |
|
|
分式与特殊符号
| 显示 |
LaTeX代码 |
| 1/(2x+1) |
$\frac{1}{2x+1}$ |
| 1/(2x+1) |
${{1} \over {2x+1}}$ |
| du/dx|_{x=0} |
`$\left.\frac{du}{dx}\right |
| ∛9 |
$\sqrt[3]{9}$ |
| √16 |
$\sqrt{16}$ |
| … |
$\ldots$ |
| f(x₁,x₂,…,xₙ)=x₁²+⋯+xₙ² |
$f(x_1,x_2,\ldots,x_n)=x_1^2+\cdots+x_n^2$ |
| a⃗ |
$\vec{a}$ |
| ∫₀¹ x²dx |
$\int_0^1 x^2 dx$ |
| limₙ→∞ 1/[n(n+1)] |
$\lim_{n\to\infty}\frac{1}{n(n+1)}$ |
| ∑₁ⁿ 1/x² |
$\sum_1^n \frac{1}{x^2}$ |
| x∈[0,100] |
$x \in [0,100]$ |
| xʸᶻ=(1+eˣ)⁻²ˣʸʷ |
$x^{y^z}=(1+e^x)^{-2xy^w}$ |
分段函数
\begin{align*}
y = \begin{cases}
x \\
\alpha
\end{cases}
\end{align*}
LaTeX代码：
1
| $$y =\begin{cases} x\\ \alpha \end{cases}$$
|
