1.希腊字母
| 小写符号 |
语法 |
大写符号 |
语法 |
异体符号 |
语法 |
| α |
\alpha |
A |
\Alpha |
|
|
| β |
\beta |
B |
\Beta |
|
|
| γ |
\gamma |
Γ |
\Gamma |
ϝ |
\digamma |
| δ |
\delta |
Δ |
\Delta |
|
|
| ϵ |
\epsilon |
E |
\Epsilon |
ε |
\varepsilon |
| ζ |
\zeta |
Z |
\Zeta |
|
|
| η |
\eta |
H |
\Eta |
|
|
| θ |
\theta |
Θ |
\Theta |
ϑ |
\vartheta |
| ι |
\iota |
I |
\Iota |
|
|
| κ |
\kappa |
K |
\Kappa |
ϰ |
\varkappa |
| λ |
\lambda |
Λ |
\Lambda |
|
|
| μ |
\mu |
M |
\Mu |
|
|
| ν |
\nu |
N |
\Nu |
|
|
| ξ |
\xi |
Ξ |
\Xi |
|
|
| ο |
\omicron |
O |
\Omicron |
|
|
| π |
\pi |
Π |
\Pi |
ϖ |
\varpi |
| ρ |
\rho |
P |
\Rho |
ϱ |
\varrho |
| σ |
\sigma |
Σ |
\Sigma |
ς |
\varsigma |
| τ |
\tau |
T |
\Tau |
|
|
| υ |
\upsilon |
Υ |
\Upsilon |
|
|
| ϕ |
\phi |
Φ |
\Phi |
φ |
\varphi |
| χ |
\chi |
X |
\Chi |
|
|
| ψ |
\psi |
Ψ |
\Psi |
|
|
| ω |
\omega |
Ω |
\Omega |
|
|
2.希伯来字母
| 小写符号 |
语法 |
| ℵ |
\aleph |
| ℶ |
\beth |
| ℷ |
\gimel |
| ℸ |
\daleth |
3.运算符
| 符号 |
语法 |
更多 |
符号 |
语法 |
更多 |
符号 |
语法 |
更多 |
| + |
+ |
|
− |
- |
|
◃ |
\triangleleft |
|
| ± |
\pm |
|
∓ |
\mp |
|
▹ |
\triangleright |
|
| ⋅ |
\cdot |
|
÷ |
\div |
|
⋆ |
\star |
|
| × |
\times |
|
∖ |
\setminus |
|
∗ |
\ast |
|
| ∪ |
\cup |
|
∩ |
\cap |
|
∘ |
\circ |
|
| ⊔ |
\sqcup |
|
⊓ |
\sqcap |
|
∙ |
\bullet |
\land |
| ∨ |
\vee |
\lor |
∧ |
\wedge |
\land |
⋄ |
\diamond |
|
| ⊕ |
\oplus |
|
⊖ |
\ominus |
|
⊎ |
\uplus |
|
| ⊙ |
\odot |
|
⊘ |
\oslash |
|
⨿ |
\amalg |
|
| ⊗ |
\otimes |
|
◯ |
\bigcirc |
|
† |
\dagger |
|
| △ |
\bigtriangleup |
|
▽ |
\bigtriangledown |
|
‡ |
\ddagger |
|
| ⊲ |
\lhd |
|
⊳ |
\rhd |
|
≀ |
\wr |
|
| ⊴ |
\unlhd |
|
⊵ |
\unrhd |
|
∔ |
|
|
| x |
\sqrt{x} |
|
nx |
\sqrt[n]{x} |
|
⋇ |
|
|
4.大尺寸运算符
| 运算符 |
语法 |
运算符 |
语法 |
运算符 |
语法 |
| ∑ |
\sum |
∏ |
\prod |
∫ |
\int |
| ⋃ |
\bigcup |
⋂ |
\bigcap |
∬ |
\iint |
| ⋁ |
\bigvee |
⋀ |
\bigwedge |
∭ |
\iiint |
| ∐ |
\coprod |
⨆ |
\bigsqcup |
∮ |
\oint |
| ∬ |
\oiint |
∭ |
\oiiint |
⨄ |
\biguplus |
| ⨁ |
\bigoplus |
⨂ |
\bigotimes |
⨀ |
\bigodot |
5.二元关系
| 符号 |
语法 |
更多 |
符号 |
语法 |
更多 |
符号 |
语法 |
更多 |
| < |
< |
|
> |
> |
|
= |
= |
|
| ≤ |
\leq |
\le |
≥ |
\geq |
\ge |
≡ |
\equiv |
|
| ≪ |
\ll |
|
≫ |
\gg |
|
≐ |
\doteq |
|
| ≺ |
\prec |
|
≻ |
\succ |
|
∼ |
\sim |
|
| ⪯ |
\preceq |
|
⪰ |
\succeq |
|
≃ |
\simeq |
|
| ⊂ |
\subset |
|
⊃ |
\supset |
|
≈ |
\approx |
|
| ⊆ |
\subseteq |
|
⊇ |
\supseteq |
|
≅ |
\cong |
|
| ⊏ |
\sqsubset |
|
⊐ |
\sqsupset |
|
⋈ |
\Join |
|
| ⊑ |
\sqsubseteq |
|
⊒ |
\sqsupseteq |
|
⋈ |
\bowtie |
|
| ∈ |
\in |
|
∋ |
\ni |
\owns |
∝ |
\propto |
|
| ⊢ |
\vdash |
|
⊣ |
\dashv |
|
⊨ |
\models |
|
| ∣ |
\mid |
|
∥ |
\parallel |
|
⊥ |
\perp |
|
| ⌣ |
\smile |
|
⌢ |
\frown |
|
≍ |
\asymp |
|
| ∈/ |
\notin |
|
≁ |
\nsim |
|
= |
\nsim |
\ne |
| ⊊ |
\subsetneq |
|
⊋ |
\supsetneq |
|
: |
: |
|
6.箭头与括号
| 符号 |
语法 |
更多 |
符号 |
语法 |
更多 |
符号 |
语法 |
| ← |
\leftarrow |
\gets |
⟵ |
\longleftarrow |
|
↑ |
\uparrow |
| → |
\rightarrow |
\to |
⟶ |
\longrightarrow |
|
↓ |
\downarrow |
| ↔ |
\leftrightarrow |
|
⟷ |
\longleftrightarrow |
|
↕ |
\updownarrow |
| ⇐ |
\Leftarrow |
|
⟸ |
\Longleftarrow |
|
⇑ |
\Uparrow |
| ⇒ |
\Rightarrow |
|
⟹ |
\Longrightarrow |
|
⇓ |
\Downarrow |
| ⇔ |
\Leftrightarrow |
|
⟺ |
\Longleftrightarrow |
|
⇕ |
\Updownarrow |
| ↦ |
\mapsto |
|
⟼ |
\longmapsto |
|
↗ |
\nearrow |
| ↩ |
\hookleftarrow |
|
↪ |
\hookrightarrow |
|
↘ |
\searrow |
| ↼ |
\leftharpoonup |
|
⇀ |
\rightharpoonup |
|
↙ |
\swarrow |
| ↽ |
\leftharpoondown |
|
⇁ |
\rightharpoondown |
|
↖ |
\nwarrow |
| ⇌ |
\rightleftharpoons |
|
⟺ |
\iff |
|
⇝ |
\leadsto |
| ( |
( |
|
) |
) |
|
∣ |
\vert |
| [ |
[ |
\lbrack |
\] |
] |
\rbarck |
∥ |
\Vert |
| { |
\{ |
\lbrace |
} |
\rbrace |
|
/ |
/ |
| ⟨ |
\langle |
|
⟩ |
\lrangle |
|
\ |
\backslash |
| ⌊ |
\lfloor |
|
⌋ |
\rfloor |
|
. |
. |
| ⌈ |
\lceil |
|
⌉ |
\rceil |
|
\arrowvert |
\arrowvert |
| ⟮ |
\lgroup |
|
⟯ |
\rgroup |
|
\Arrowvert |
\Arrowvert |
| ⎰ |
\lmoustache |
|
⎱ |
\rmoustache |
|
\bracevert |
\bracevert |
7.杂项符号
| 符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
| … |
\dots |
⋯ |
\cdots |
⋮ |
\vdots |
⋱ |
\ddots |
| ℏ |
\hbar |
|
\imath |
|
\jmath |
ℓ |
\ell |
| ℜ |
\Re |
ℑ |
\Im |
℘ |
\wp |
∀ |
\forall |
| ∃ |
\exists |
℧ |
\mho |
∂ |
\partial |
′ |
' |
| ′ |
\prime |
∅ |
\emptyset |
∞ |
\infty |
∇ |
\nabla |
| △ |
\triangle |
□ |
\Box |
◊ |
\Diamond |
⊥ |
\bot |
| ⊤ |
\top |
∠ |
\angle |
√ |
\surd |
♢ |
\diamondsuit |
| ♡ |
\heartsuit |
♣ |
\clubsuit |
♠ |
\spadesuit |
¬ |
\neg |
| ♭ |
\flat |
♮ |
\natural |
♯ |
\sharp |
¬ |
\lnot |
| ⅁ |
\Game |
% |
\% |
|
|
|
|
8.非数学符号
| 符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
| † |
\dagger |
§ |
\S |
c◯ |
$\copyright$ |
| ‡ |
\ddagger |
¶ |
\P |
£ |
\pounds |
9.AMS定界符
| 符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
| ┌ |
\ulcorner |
┐ |
\urcorner |
└ |
\llcorner |
┘ |
\lrcorner |
| ∣ |
\lvert |
∣ |
\rvert |
∥ |
\lVert |
∥ |
\rVert |
10.AMS希腊和希伯来字母
| 符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
| ϝ |
\digamma |
ϰ |
\varkappa |
ℶ |
\beth |
ℷ |
\gimel |
11.AMS二元关系符
| 符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
| ⋖ |
\lessdot |
⋗ |
\gtrdot |
≑ |
\doteqdot, \Doteq |
| ⩽ |
\leqslant |
⩾ |
\geqslant |
≓ |
\risingdotseq |
| ⪕ |
\eqslantless |
⪖ |
\eqslantgtr |
≒ |
\fallingdotseq |
| ≦ |
\leqq |
≧ |
\geqq |
≖ |
\eqcirc |
| ⋘ |
\lll, \llless |
⋙ |
\ggg, \gggtr |
≗ |
\circeq |
| ≲ |
\lesssim |
≳ |
\gtrsim |
≜ |
\triangleq |
| ⪅ |
\lessapprox |
⪆ |
\gtrapprox |
≏ |
\bumpeq |
| ≶ |
\lessgtr |
≷ |
\gtrless |
≎ |
\Bumpeq |
| ⋚ |
\lesseqgtr |
⋛ |
\gtreqless |
∼ |
\thicksim |
| ⪋ |
\lesseqqgtr |
⪌ |
\gtreqqless |
≈ |
\thickapprox |
| ≼ |
\preccurlyeq |
≽ |
\succcurlyeq |
≊ |
\approxeq |
| ⋞ |
\curlyeqprec |
⋟ |
\curlyeqsucc |
∽ |
\backsim |
| ≾ |
\precsim |
≿ |
\succsim |
⋍ |
\backsimeq |
| ⪷ |
\precapprox |
⪸ |
\succapprox |
⊨ |
\vDash |
| ⫅ |
\subseteqq |
⫆ |
\supseteqq |
⊩ |
\Vdash |
| ⋐ |
\Subset |
⋑ |
\Supset |
⊪ |
\Vvdash |
| ⊏ |
\sqsubset |
⊐ |
\sqsupset |
∍ |
\backepsilon |
| ∴ |
\therefore |
∵ |
\because |
∝ |
\varpropto |
| ∣ |
\shortmid |
∥ |
\shortparallel |
≬ |
\between |
| ⌣ |
\smallsmile |
⌢ |
\smallfrown |
⋔ |
\pitchfork |
| ⊲ |
\vartriangleleft |
⊳ |
\vartriangleright |
◀ |
\blacktriangleleft |
| ⊴ |
\trianglelefteq |
⊵ |
\trianglerighteq |
▶ |
\blacktriangleright |
12.AMS箭头
| 符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
| ⇠ |
\dashleftarrow |
⇢ |
\dashrightarrow |
⊸ |
\multimap |
| ⇇ |
\leftleftarrows |
⇉ |
\rightrightarrows |
⇈ |
\upuparrows |
| ⇆ |
\leftrightarrows |
⇄ |
\rightleftarrows |
⇊ |
\downdownarrows |
| ⇚ |
\Lleftarrow |
⇛ |
\Rrightarrow |
↿ |
\upharpoonleft |
| ↞ |
\twoheadleftarrow |
↠ |
\twoheadrightarrow |
↾ |
\upharpoonright |
| ↢ |
\leftarrowtail |
↣ |
\rightarrowtail |
⇃ |
\downharpoonleft |
| ⇋ |
\leftrightharpoons |
⇌ |
\rightleftharpoons |
⇂ |
\downharpoonright |
| ↰ |
\Lsh |
↱ |
\Rsh |
⇝ |
\rightsquigarrow |
| ↫ |
\looparrowleft |
↬ |
\looparrowright |
↭ |
\leftrightsquigarrow |
| ↶ |
\curvearrowleft |
↷ |
\curvearrowright |
|
|
13.AMS二元否定关系符和箭头
| 符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
| ≮ |
\nless |
≯ |
\ngtr |
|
\varsubsetneqq |
| ⪇ |
\lneq |
⪈ |
\gneq |
|
\varsupsetneqq |
| ≰ |
\nleq |
≱ |
\ngeq |
|
\nsubseteqq |
| |
\nleqslant |
|
\ngeqslant |
|
\nsupseteqq |
| ≨ |
\lneqq |
≩ |
\gneqq |
∤ |
\nmid |
| |
\lvertneqq |
|
\gvertneqq |
∦ |
\nparallel |
| |
\nleqq |
|
\ngeqq |
|
\nshortmid |
| ⋦ |
\lnsim |
⋧ |
\gnsim |
|
\nshortparallel |
| ⪉ |
\lnapprox |
⪊ |
\gnapprox |
≁ |
\nsim |
| ⊀ |
\nprec |
⊁ |
\nsucc |
≆ |
\ncong |
| ⋠ |
\npreceq |
⋡ |
\nsucceq |
⊬ |
\nvdash |
| ⪵ |
\precneqq |
⪶ |
\succneqq |
⊭ |
\nvDash |
| ⋨ |
\precnsim |
⋩ |
\succnsim |
⊮ |
\nVdash |
| ⪹ |
\precnapprox |
⪺ |
\succnapprox |
⊯ |
\nVDash |
| ⊊ |
\subsetneq |
⊋ |
\supsetneq |
⋪ |
\ntriangleleft |
| |
\varsubsetneq |
|
\varsupsetneq |
⋫ |
\ntriangleright |
| ⊈ |
\nsubseteq |
⊉ |
\nsupseteq |
⋬ |
\ntrianglelefteq |
| ↚ |
\nleftarrow |
↛ |
\nrightarrow |
↮ |
\nleftrightarrow |
| ⇍ |
\nLeftarrow |
⇏ |
\nRightarrow |
⇎ |
\nLeftrightarrow |
14.AMS二元运算符
| 符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
| ∔ |
\dotplus |
⋅ |
\centerdot |
⊺ |
\intercal |
| ⋉ |
\ltimes |
⋊ |
\rtimes |
⋇ |
\divideontimes |
| ⋓ |
\Cup, \doublecup |
⋒ |
\Cap, \doublecap |
∖ |
\smallsetminus |
| ⊻ |
\veebar |
⊼ |
\barwedge |
⩞ |
\doublebarwedge |
| ⊞ |
\boxplus |
⊟ |
\boxminus |
⊝ |
\circleddash |
| ⊠ |
\boxtimes |
⊡ |
\boxdot |
⊚ |
\circledcirc |
| ⋋ |
\leftthreetimes |
⋌ |
\rightthreetimes |
⊛ |
\circledast |
| ⋎ |
\curlyvee |
⋏ |
\curlywedge |
|
|
15.AMS其它符号
| 符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
| ℏ |
\hslash |
ℏ |
\hslash |
k |
\Bbbk |
| □ |
\square |
■ |
\blacksquare |
Ⓢ |
\circledS |
| △ |
\vartriangle |
▲ |
\blacktriangle |
∁ |
\complement |
| ▽ |
\triangledown |
▼ |
\blacktriangledown |
⅁ |
\Game |
| ◊ |
\lozenge |
⧫ |
\blacklozenge |
★ |
\bigstar |
| ∠ |
\angle |
∡ |
\measuredangle |
∢ |
\sphericalangle |
| ╱ |
\diagup |
╲ |
\diagdown |
‵ |
\backprime |
| ∄ |
\nexists |
Ⅎ |
\Finv |
∅ |
\varnothing |
| ð |
\eth |
℧ |
\mho |
|
|
16.标准函数
| 符号 |
语法 |
符号 |
语法 |
| expab=ab |
\exp_a b = a^b |
expb=eb |
\exp b = e^b |
| 10m |
10^m |
lnc |
\ln c |
| lgd=log10d |
\lg d = \log_{10} d |
log10f |
\log_{10} f |
| sina |
\sin a |
cosb |
\cos b |
| tanc |
\tan c |
cotd |
\cot d |
| sece |
\sec e |
cscf |
\csc f |
| arcsina |
\arcsin a |
arccosb |
\arccos b |
| arctanc |
\arctan c |
arccotd |
\operatorname{arccot}d |
| arcsece |
\operatorname{arcsec} e |
arccscf |
\operatorname{arccsc} f |
| sinha |
\sinh a |
coshb |
\cosh b |
| tanhc |
\tanh c |
cothd |
\coth d |
| cosec |
\cosec |
arctg |
\operatorname{arctg} |
| cotg |
\cotg |
arcctg |
\operatorname{arcctg} |
| ctg |
\ctg |
cth |
\operatorname{cth} |
| shk |
\operatorname{sh}k |
chl |
\operatorname{ch}l |
| thm |
\operatorname{th}m |
cothn |
\operatorname{coth}n |
| argsho |
\operatorname{argsh}o |
argchp |
\operatorname{argch}p |
| argthq |
\operatorname{argth}q |
sgnr |
\operatorname{sgn}r |
| ∣s∣ |
\left\vert s \right\vert |
min(x,y) |
\min(x,y) |
| max(x,y) |
\max(x,y) |
f |
\operatorname{f} |
| f |
\operatorname*{f} |
|
|
17.极限
| 符号 |
语法 |
符号 |
语法 |
| minx |
\min x |
kerϕ |
\ker\phi |
| maxy |
\max y |
argmax |
\arg\max |
| infs |
\inf s |
injlim |
\injlim |
| supt |
\sup t |
lim |
\varinjlim |
| limu |
\lim u |
argmin |
\arg\min |
| liminfv |
\liminf v |
plim |
\operatorname{plim} |
| limsupw |
\limsup w |
lim |
\varliminf |
| dimp |
\dim p |
lim |
\varlimsup |
| degq |
\deg q |
projlim |
\projlim |
| detm |
\det m |
lim |
\varprojlim |
18.投射
| 符号 |
语法 |
符号 |
语法 |
| prj |
\operatorname{Pr} j |
homl |
\hom l |
| ∥z∥ |
\lVert z \rVert |
argz |
\arg z |
19.微分与导数
| 符号 |
语法 |
符号 |
语法 |
| dt |
dt |
dt |
\mathrm{d}t |
| ∂t |
\partial t |
∇ψ |
\nabla\psi |
| dy/dx |
dy/dx |
dy/dx |
\mathrm{d}y/\mathrm{d}x |
| dxdy |
\frac{dy}{dx} |
dxdy |
\frac{\mathrm{d}y}{\mathrm{d}x} |
| ∂x1∂x2∂2y |
\frac{\partial^2}{\partial x_1\partial x_2}y |
′ |
\prime |
| ‵ |
\backprime |
f′ |
f^\prime |
| f′ |
f' |
f′′ |
f'' |
| f(3) |
f^{(3)} |
y˙ |
\dot y |
| y¨ |
\ddot y |
|
|
20.模运算
| 符号 |
语法 |
符号 |
语法 |
| sk≡0(modm) |
s_k \equiv 0 \pmod{m} |
amodb |
a \bmod b |
| gcd(m,n) |
\gcd(m, n) |
lcm(m,n) |
\operatorname{lcm}(m, n) |
| ∣ |
\mid |
∤ |
\nmid |
| ∣ |
\shortmid |
|
\nshortmid |
21.根号
| 符号 |
语法 |
符号 |
语法 |
| √ |
\surd |
2 |
\sqrt{2} |
| n |
\sqrt[n]{} |
32x3+y3 |
\sqrt[3]{\frac{x^3+y^3}{2}} |
22.上标下标及积分
| 符号 |
语法 |
符号 |
语法 |
| a2 |
a^2 |
a2 |
a_2 |
| a2+2 |
a^{2+2} |
ai,j |
a_{i,j} |
| x23 |
x_2^3 |
12X34 |
{}_1^2\!X_3^4 |
| x12=x1×x1 |
{x_1}^2=x_1 \times x_1 |
x′ |
x' |
| x′ |
x^\prime |
x′ |
x\prime |
| ∫ |
\intop |
∫ |
\smallint |
| x˙ |
\dot{x} |
y¨ |
\ddot{y} |
| c |
\vec{c} |
ab |
\overleftarrow{a b} |
| cd |
\overrightarrow{c d} |
ab |
\overleftrightarrow{a b} |
| efg |
\widehat{e f g} |
AB⌢ |
\overset{\frown}{AB} |
| hij |
\overline{h i j} |
klm |
\underline{k l m} |
| 1+2+⋯+100 |
\overbrace{1+2+\cdots+100} |
1+2+⋯+1005050 |
\overbrace{ 1+2+\cdots+100 }^{5050} |
| a+b+⋯+z |
\underbrace{a+b+\cdots+z} |
26a+b+⋯+z |
\underbrace{ a+b+\cdots+z }_{26} |
| ∑k=1Nk2 |
\sum_{k=1}^N k^2 |
∑k=1Nk2 |
\begin{matrix} \sum_{k=1}^N k^2 \end{matrix} |
| ∏i=1Nxi |
\prod_{i=1}^N x_i |
∏i=1Nxi |
\begin{matrix} \prod_{i=1}^N x_i \end{matrix} |
| ∐i=1Nxi |
\coprod_{i=1}^N x_i |
∐i=1Nxi |
\begin{matrix} \coprod_{i=1}^N x_i \end{matrix} |
| limn→∞xn |
\lim_{n \to \infty}x_n |
limn→∞xn |
\begin{matrix} \lim_{n \to \infty}x_n \end{matrix} |
| ∫−NNexdx |
\int_{-N}^{N} e^x\, \mathrm{d}x |
∫−NNexdx |
\begin{matrix} \int_{-N}^{N} e^x\, \mathrm{d}x \end{matrix} |
| ∬DWdxdy |
\iint_{D}^{W} \, \mathrm{d}x\,\mathrm{d}y |
∭EVdxdydz |
\iiint_{E}^{V} \, \mathrm{d}x\,\mathrm{d}y\,\mathrm{d}z |
| ∮Cx3dx+4y2dy |
\oint_{C} x^3\, \mathrm{d}x + 4y^2\, \mathrm{d}y |
暂不支持 |
\varointclockwise_{C} 7^x\, \mathrm{d}x + e^y\, \mathrm{d}y |
| 暂不支持 |
\ointctrclockwise_{C} 7^x\, \mathrm{d}x + e^y\, \mathrm{d}y |
∬SfdA |
∯_{S}\,f\mathrm{d}A |
| ∭EfdV |
∰_{E}\,f\mathrm{d}V |
⋂1np |
\bigcap_1^{n} p |
| ⋃1kp |
\bigcup_1^{k} p |
|
|
23.分数、矩阵与多行列式
| 符号 |
语法 |
符号 |
语法 |
| 42=0.5 |
\frac{2}{4}=0.5 |
a−ba+b |
\frac{a+b}{a-b} |
| 42=0.5 |
\tfrac{2}{4} = 0.5 |
c+d+4222=a |
\cfrac{2}{c + \cfrac{2}{d + \cfrac{2}{4}}} = a |
| 42=0.5c+d+4222=a |
\dfrac{2}{4} = 0.5 \qquad \dfrac{2}{c + \dfrac{2}{d + \dfrac{2}{4}}} = a |
|
|
(rn)=(n−rn)=Cnr=Cnn−r
(n−r,n2r1,na−bc+d,(0n)+(1n))
(rn)=(n−rn)=Cnr=Cnn−r
(rn)=(n−rn)=Cnr=Cnn−r
xzyv
xzyv
xzyv
0⋮0⋯⋱⋯0⋮0
{xzyv}
(xzyv)
(acbd)
f(n)={2n,3n+1,if n is even,if n is odd.
f(x)=(m+n)2=m2+2mn+n2
36n+3+46n+3≡(33)2n+1+(43)2n+1≡272n+1+642n+1≡272n+1+(−27)2n+1≡272n+1−272n+1≡0(mod91)
z=af(x,y,z)=x+y+z
⎩⎨⎧3x+5y+z7x−2y+4z−6x+3y+2z
a0011b0101S1110
acbd
adgbehcfi
acif bif d}⇒…
24.声调变音符号
| 符号 |
语法 |
符号 |
语法 |
符号 |
语法 |
| a˙ |
\dot{a} |
a¨ |
\ddot{a} |
aˊ |
\acute{a} |
| aˋ |
\grave{a} |
aˇ |
\check{a} |
a˘ |
\breve{a} |
| a~ |
\tilde{a} |
aˉ |
\bar{a} |
a^ |
\hat{a} |
| a |
\widehat{a} |
a |
\vec{a} |
ac |
\widetilde{ac} |
| X |
\underline{X} |
g˚ |
\mathring{g} |
|
|
25.字体
| 样式 |
语法 |
| ABCDEFGHIJKLMNOPQRSTUVWXYZ |
\mathbb{ABCDEFGHIJKLMNOPQRSTUVWXYZ} |
| ABCDEFGHIJKLMNOPQRSTUVWXYZ |
\mathbf{ABCDEFGHIJKLMNOPQRSTUVWXYZ} |
| abcdefghijklmnopqrstuvwxyz |
\mathbf{abcdefghijklmnopqrstuvwxyz} |
| 0123456789 |
\mathbf{0123456789} |
| ABΓΔEZHΘIKΛ |
\boldsymbol{AB\Gamma\Delta EZH\Theta I K\Lambda} |
| MNΞΠPΣTΥΦXΨΩ |
\boldsymbol{MN\Xi\Pi P\Sigma T\Upsilon\Phi X\Psi\Omega} |
| αβγδϵζηθικλμν |
\boldsymbol{\alpha\beta\gamma\delta\epsilon\zeta\eta\theta\iota\kappa\lambda\mu\nu} |
| ξπρστυϕχψωεϝ |
\boldsymbol{\xi\pi\rho\sigma\tau\upsilon\phi\chi\psi\omega\varepsilon\digamma} |
| ϰϖϱςϑφ |
\boldsymbol{\varkappa\varpi\varrho\varsigma\vartheta\varphi} |
| 0123456789 |
\mathit{0123456789} |
| ABCDEFGHIJKLMNOPQRSTUVWXYZ |
\mathrm{ABCDEFGHIJKLMNOPQRSTUVWXYZ} |
| abcdefghijklmnopqrstuvwxyz |
\mathrm{abcdefghijklmnopqrstuvwxyz} |
| 0123456789 |
\mathrm{0123456789} |
| ABCDEFGHIJKLMNOPQRSTUVWXYZ |
\mathcal{ABCDEFGHIJKLMNOPQRSTUVWXYZ} |
| ABCDEFGHIJKLMNOPQRSTUVWXYZ |
\mathfrak{ABCDEFGHIJKLMNOPQRSTUVWXYZ} |
| abcdefghijklmnopqrstuvwxyz |
\mathfrak{abcdefghijklmnopqrstuvwxyz} |
| 0123456789 |
\mathfrak{0123456789} |
| abcdefghijklm |
\scriptstyle\text{abcdefghijklm} |
26.空格换行符
| 示例 |
语法 |
介绍 |
| Mr. LaTeX |
Mr.~LaTeX |
避免在两行之间断开 |
| ab |
a \qquad b |
2em宽 |
| ab |
a\quad b |
1em宽 |
| a b |
a\ b |
31em宽 |
| ab |
a\; b |
72em宽 |
| ab |
a\, b |
61em宽 |
| ab |
ab |
|
| ab |
a\! b |
缩进61em宽 |
| ab |
a\hspace{1cm}b |
自定义距离 |
| ab |
a\hspace{1em}b |
自定义距离 |
| ab |
a \hspace{-.1cm} b |
自定义距离 |
| ab |
$a \hspace{-.1em} b$ |
自定义距离 |