常用Tex代码编辑汇总

常用Tex代码编辑汇总

Tex常用代码对照表

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	\frac{a}{b}
	{x}^{ab}
	{x}_{12}
	\sqrt{xyz}
	\sqrt[{x}]{{y}}或\sqrt%5B{x}%5D{{y}}
	\log_{a}{x}
	C_{m}^{n}
	\sqrt{a^2}=|a|
	\sum_{k=1}^{n}{a_k}
	\prod_{k=1}^{n}{a_k}
	\lim_{k\to \infty}{k^{-1}}=0
	\int_{a}^{b}{f(x)dx}
	\pm1,\mp1
	\Rightarrow,\Leftarrow,\Leftrightarrow
	\ne,\le,\ge,\equiv
	f’(x)\in [a,b]或f’(x)\in%5B a,b%5D
	\tan{30^{\circ}}=\frac{1}{\cot{30^{\circ}}}
	\pi,\alpha,\beta,\gamma,\theta,\lambda
	{a}\cdot{b},{a}\times{b},{a}\div{b}
	\Delta,\bigtriangleup,\odot,\angle,\perp
	\forall,\exists,\emptyset
	{{n}\choose{m}}
	f(x)={\left\lbrace{{1},{x>0}\\{0},{x<0}}

Typora公式法插入样例：

1.\frac{a}{b}

ab

2.{x}^{ab}

xab

3.{x}_{12}

x12

4.\sqrt{xyz}

xyz−−−√

5.\sqrt[{x}]{{y}}

y√x

6.\log_{a}{x}

logax

7.C_{m}^{n}

Cnm

8.\sqrt{a^2}=|a|

a2−−√=|a|

9.\sum_{k=1}^{n}{a_k}

∑k=1nak

10.\prod_{k=1}^{n}{a_k}

∏k=1nak

11.\lim_{k\to \infty}{k^{-1}}=0

limk→∞k−1=0

12.\int_{a}^{b}{f(x)dx}

∫baf(x)dx

13.\pm1,\mp1

±1,∓1

14.\Rightarrow,\Leftarrow,\Leftrightarrow

⇒,⇐,⇔

15.\ne,\le,\ge,\equiv

≠,≤,≥,≡

16.f’(x)\in [a,b]

f′(x)∈[a,b]

17.\tan{30^{\circ}}=\frac{1}{\cot{30^{\circ}}}

tan30∘=1cot30∘

18.\pi,\alpha,\beta,\gamma,\theta,\lambda

π,α,β,γ,θ,λ

19.{a}\cdot{b},{a}\times{b},{a}\div{b}

a⋅b,a×b,a÷b

20.\Delta,\bigtriangleup,\odot,\angle,\perp

Δ,△,⊙,∠,⊥

21.\forall,\exists,\emptyset

∀,∃,∅

22.{{n}\choose{m}}

(nm)

23.f(x)={\left\lbrace{{1},{x>0}\\{0},{x<0}}

f(x)={1,0,x>0,x<0.