Latex公式语法
(1) 保留字符
序号 | 符号 | LaTex |
---|---|---|
1 | \(\#\) | \# |
2 | \(\%\) | \% |
3 | \(^\wedge\) | \^ |
4 | \(\&\) | \& |
5 | \(\_\) | \_ |
6 | \(\{\}\) | \{\} |
7 | \(\sim\) | \sim |
8 | \(\backslash\) | \backslash |
(2) 希腊字母
Ord | Char | LaTeX | Upper | LaTeX | Var | LaTex | Phonetic |
---|---|---|---|---|---|---|---|
1 | \(\alpha\) | \alpha | \(\Alpha\) | \Alpha | /ˈælfə/ | ||
2 | \(\beta\) | \beta | \(\Beta\) | \Beta | /ˈbeɪtə/ | ||
3 | \(\gamma\) | \gamma | \(\Gamma\) | \Gamma | \(\varGamma\) | \varGamma | /ˈɡæmə/ |
4 | \(\delta\) | \delta | \(\Delta\) | \Delta | \(\varDelta\) | \varDelta | /ˈdɛltə/ |
5 | \(\epsilon\) | \epsilon | \(\Epsilon\) | \Epsilon | \(\varepsilon\) | \varepsilon | /ˈɛpsɪlɒn/ |
6 | \(\zeta\) | \zeta | \(\Zeta\) | \Zeta | /ˈzeɪtə/ | ||
7 | \(\eta\) | \eta | \(\Eta\) | \Eta | /ˈeɪtə/ | ||
8 | \(\theta\) | \theta | \(\Theta\) | \Theta | \(\varTheta, \vartheta\) | \varTheta, \vartheta | /ˈθiːtə/ |
9 | \(\iota\) | \iota | \(\Iota\) | \Iota | /aɪˈoʊtə/ | ||
10 | \(\kappa\) | \kappa | \(\Kappa\) | \Kappa | \(\varkappa\) | \varkappa | /ˈkæpə/ |
11 | \(\lambda\) | \lambda | \(\Lambda\) | \Lambda | \(\varLambda\) | \varLambda | /ˈlæmdə/ |
12 | \(\mu\) | \mu | \(\Mu\) | \Mu | /mjuː/ | ||
13 | \(\nu\) | \nu | \(\Nu\) | Nu | /njuː/ | ||
14 | \(\xi\) | \xi | \(\xi\) | \Xi | \(\varXi\) | \varXi | /zaɪ, ksaɪ/ |
15 | \(o\) | o | \(O\) | O | /ˈɒmɪkrɒn/ | ||
16 | \(\pi\) | \pi | \(\Pi\) | \Pi | \(\varpi, \varPi\) | \varpi, \varPi | /paɪ/ |
17 | \(\rho\) | \rho | \(\Rho\) | \Rho | \(\varrho\) | \varrho | /roʊ/ |
18 | \(\sigma\) | \sigma | \(\Sigma\) | \Sigma | \(\varsigma, \varSigma\) | \varsigma, \varSigma | /ˈsɪɡmə/ |
19 | \(\tau\) | \tau | \(\Tau\) | \Tau | /taʊ, tɔː/ | ||
20 | \(\upsilon\) | \upsilon | \(\Upsilon\) | \Upsilon | \(\varUpsilon\) | \varUpsilon | /ˈʌpsɪlɒn/ |
21 | \(\phi\) | \phi | \(\Phi\) | \Phi | \(\varphi,\varPhi\) | \varphi, \varPhi | /faɪ/ |
22 | \(\chi\) | \chi | \(\Chi\) | \Chi | /kaɪ/ | ||
23 | \(\psi\) | \psi | \(\Psi\) | \Psi | \(\varPsi\) | \varPsi | /psaɪ/ |
24 | \(\omega\) | \omega | \(\Omega\) | \Omega | \(\varOmega\) | \varOmega | /oʊˈmeɪɡə/ |
25 | \(\digamma\) | \digamma | /daɪ'gæmə/ |
(3) 希伯来字母
序号 | 符号 | LaTeX | 英文 | 序号 | 符号 | LaTeX | 英文 |
---|---|---|---|---|---|---|---|
1 | \(\aleph\) | \aleph | aleph | 3 | \(\gimel\) | \gimel | gimel |
2 | \(\beth\) | \beth | beth | 4 | \(\daleth\) | \daleth | daleth |
(4) 二元运算
序号 | 符号 | LaTeX | 序号 | 符号 | LaTeX |
---|---|---|---|---|---|
1 | \(+\) | + | 20 | \(\bullet\) | \bullet |
2 | \(-\) | - | 21 | \(\oplus\) | \oplus |
3 | \(\times\) | \times | 22 | \(\ominus\) | \ominus |
4 | \(\div\) | \div | 23 | \(\odot\) | \odot |
5 | \(\pm\) | \pm | 24 | \(\oslash\) | \oslash |
6 | \(\mp\) | \mp | 25 | \(\otimes\) | \otimes |
7 | \(\triangleleft\) | \triangleleft | 26 | \(\bigcirc\) | \bigcirc |
8 | \(\triangleright\) | \triangleright | 27 | \(\diamond\) | \diamond |
9 | \(\cdot\) | \cdot | 28 | \(\uplus\) | \uplus |
10 | \(\setminus\) | \setminus | 29 | \(\bigtriangleup\) | \bigtriangleup |
11 | \(\star\) | \star | 30 | \(\bigtriangledown\) | \bigtriangledown |
12 | \(\ast\) | \ast | 31 | \(\lhd\) | \lhd |
13 | \(\cup\) | \cup | 32 | \(\rhd\) | \rhd |
14 | \(\cap\) | \cap | 33 | \(\unlhd\) | \unlhd |
15 | \(\sqcup\) | \sqcup | 34 | \(\unrhd\) | \unrhd |
16 | \(\sqcap\) | \sqcap | 35 | \(\amalg\) | \amalg |
17 | \(\vee\) | \vee | 36 | \(\wr\) | \wr |
18 | \(\wedge\) | \wedge | 37 | \(\dagger\) | \dagger |
19 | \(\circ\) | \circ | 38 | \(\ddagger\) | \ddagger |
(5) 二元关系符
序号 | 符号 | LaTeX | 序号 | 符号 | LaTeX |
---|---|---|---|---|---|
1 | \(=\) | = | 49 | \(\gneq\) | \gneq |
2 | \(\ne\) | \ne | 50 | \(\geqq\) | \geqq |
3 | \(\neq\) | \neq | 51 | \(\ngeq\) | \ngeq |
4 | \(\equiv\) | \equiv | 52 | \(\ngeqq\) | \ngeqq |
5 | \(\not\equiv\) | \not\equiv | 53 | \(\gneqq\) | \gneqq |
6 | \(\doteq\) | \doteq | 54 | \(\gvertneqq\) | \gvertneqq |
7 | \(\doteqdot\) | \doteqdot | 55 | \(\lessgtr\) | \lessgtr |
8 | \(\overset{\underset{\mathrm{def}}{}}{=}\) | \overset{\underset{\mathrm{def}}{}}{=} | 56 | \(\lesseqgtr\) | \lesseqgtr |
9 | \(:=\) | := | 57 | \(\lesseqqgtr\) | \lesseqqgtr |
10 | \(\sim\) | \sim | 58 | \(\gtrless\) | \gtrless |
11 | \(\nsim\) | \nsim | 59 | \(\gtreqless\) | \gtreqless |
12 | \(\backsim\) | \backsim | 60 | \(\gtreqqless\) | \gtreqqless |
13 | \(\thicksim\) | \thicksim | 61 | \(\leqslant\) | \leqslant |
14 | \(\simeq\) | \simeq | 62 | \(\nleqslant\) | \nleqslant |
15 | \(\backsimeq\) | \backsimeq | 63 | \(\eqslantless\) | \eqslantless |
16 | \(\eqsim\) | \eqsim | 64 | \(\geqslant\) | \geqslant |
17 | \(\cong\) | \cong | 65 | \(\ngeqslant\) | \ngeqslant |
18 | \(\ncong\) | \ncong | 66 | \(\eqslantgtr\) | \eqslantgtr |
19 | \(\approx\) | \approx | 67 | \(\lesssim\) | \lesssim |
20 | \(\thickapprox\) | \thickapprox | 68 | \(\lnsim\) | \lnsim |
21 | \(\approxeq\) | \approxeq | 69 | \(\lessapprox\) | \lessapprox |
22 | \(\asymp\) | \asymp | 70 | \(\lnapprox\) | \lnapprox |
23 | \(\propto\) | \propto | 71 | \(\gtrsim\) | \gtrsim |
24 | \(\varpropto\) | \varpropto | 72 | \(\gnsim\) | \gnsim |
25 | \(<\) | < | 73 | \(\gtrapprox\) | \gtrapprox |
26 | \(\nless\) | \nless | 74 | \(\gnapprox\) | \gnapprox |
27 | \(\ll\) | \ll | 75 | \(\prec\) | \prec |
28 | \(\not\ll\) | \not\ll | 76 | \(\nprec\) | \nprec |
29 | \(\lll\) | \lll | 77 | \(\preceq\) | \preceq |
30 | \(\not\lll\) | \not\lll | 78 | \(\npreceq\) | \npreceq |
31 | \(\lessdot\) | \lessdot | 79 | \(\precneqq\) | \precneqq |
32 | \(>\) | > | 80 | \(\succ\) | \succ |
33 | \(\ngtr\) | \ngtr | 81 | \(\nsucc\) | \nsucc |
34 | \(\gg\) | \gg | 82 | \(\succeq\) | \succeq |
35 | \(\not\gg\) | \not\gg | 83 | \(\nsucceq\) | \nsucceq |
36 | \(\ggg\) | \ggg | 84 | \(\succneqq\) | \succneqq |
37 | \(\not\ggg\) | \not\ggg | 85 | \(\preccurlyeq\) | \preccurlyeq |
38 | \(\gtrdot\) | \gtrdot | 86 | \(\curlyeqprec\) | \curlyeqprec |
39 | \(\le\) | \le | 87 | \(\succcurlyeq\) | \succcurlyeq |
40 | \(\leq\) | \leq | 88 | \(\curlyeqsucc\) | \curlyeqsucc |
41 | \(\lneq\) | \lneq | 89 | \(\precsim\) | \precsim |
42 | \(\leqq\) | \leqq | 90 | \(\precnsim\) | \precnsim |
43 | \(\nleq\) | \nleq | 91 | \(\precapprox\) | \precapprox |
44 | \(\nleqq\) | \nleqq | 92 | \(\precnapprox\) | \precnapprox |
45 | \(\lneqq\) | \lneqq | 93 | \(\succsim\) | \succsim |
46 | \(\lvertneqq\) | \lvertneqq | 94 | \(\succnsim\) | \succnsim |
47 | \(\ge\) | \ge | 95 | \(\succapprox\) | \succapprox |
48 | \(\geq\) | \geq | 96 | \(\succnapprox\) | \succnapprox |
(6) 几何符号
序号 | 符号 | LaTeX | 序号 | 符号 | LaTeX |
---|---|---|---|---|---|
1 | \(\parallel\) | \parallel | 14 | \(\lozenge\) | \lozenge |
2 | \(\nparallel\) | \nparallel | 15 | \(\blacklozenge\) | \blacklozenge |
3 | \(\shortparallel\) | \shortparallel | 16 | \(\bigstar\) | \bigstar |
4 | \(\nshortparallel\) | \nshortparallel | 17 | \(\bigcirc\) | \bigcirc |
5 | \(\perp\) | \perp | 18 | \(\triangle\) | \triangle |
6 | \(\angle\) | \angle | 19 | \(\bigtriangleup\) | \bigtriangleup |
7 | \(\sphericalangle\) | \sphericalangle | 20 | \(\bigtriangledown\) | \bigtriangledown |
8 | \(\measuredangle\) | \measuredangle | 21 | \(\vartriangle\) | \vartriangle |
9 | \(45^\circ\) | 45^\circ | 22 | \(\triangledown\) | \triangledown |
10 | \(\Box\) | \Box | 23 | \(\blacktriangle\) | \blacktriangle |
11 | \(\blacksquare\) | \blacksquare | 24 | \(\blacktriangledown\) | \blacktriangledown |
12 | \(\diamond\) | \diamond | 25 | \(\blacktriangleleft\) | \blacktriangleleft |
13 | \(\Diamond \lozenge\) | \Diamond \lozenge | 26 | \(\blacktriangleright\) | \blacktriangleright |
(7) 逻辑符号
序号 | 符号 | LaTeX | 序号 | 符号 | LaTeX |
---|---|---|---|---|---|
1 | \(\forall\) | \forall | 20 | \(\neg\) | \neg |
2 | \(\exists\) | \exists | 21 | \(\not\operatorname{R}\) | \not\operatorname{R} |
3 | \(\nexists\) | \nexists | 22 | \(\bot\) | \bot |
4 | \(\therefore\) | \therefore | 23 | \(\top\) | \top |
5 | \(\because\) | \because | 24 | \(\vdash\) | \vdash |
6 | \(\And\) | \And | 25 | \(\dashv\) | \dashv |
7 | \(\lor\) | \lor | 26 | \(\vDash\) | \vDash |
8 | \(\vee\) | \vee | 27 | \(\Vdash\) | \Vdash |
9 | \(\curlyvee\) | \curlyvee | 28 | \(\models\) | \models |
10 | \(\bigvee\) | \bigvee | 29 | \(\Vvdash\) | \Vvdash |
11 | \(\land\) | \land | 30 | \(\nvdash\) | \nvdash |
12 | \(\wedge\) | \wedge | 31 | \(\nVdash\) | \nVdash |
13 | \(\curlywedge\) | \curlywedge | 32 | \(\nvDash\) | \nvDash |
14 | \(\bigwedge\) | \bigwedge | 33 | \(\nVDash\) | \nVDash |
15 | \(\bar{q}\) | \bar{q} | 34 | \(\ulcorner\) | \ulcorner |
16 | \(\bar{abc}\) | \bar{abc} | 35 | \(\urcorner\) | \urcorner |
17 | \(\overline{q}\) | \overline{q} | 36 | \(\llcorner\) | \llcorner |
18 | \(\overline{abc}\) | \overline{abc} | 37 | \(\lrcorner\) | \lrcorner |
19 | \(\lnot\) | \lnot |
(8) 集合符号
序号 | 符号 | LaTeX | 序号 | 符号 | LaTeX |
---|---|---|---|---|---|
1 | \(\{ \}\) | \{ \} | 23 | \(\sqsubset\) | \sqsubset |
2 | \(\emptyset\) | \emptyset | 24 | \(\supset\) | \supset |
3 | \(\varnothing\) | \varnothing | 25 | \(\Supset\) | \Supset |
4 | \(\in\) | \in | 26 | \(\sqsupset\) | \sqsupset |
5 | \(\notin\) | \notin | 27 | \(\subseteq\) | \subseteq |
6 | \(\ni\) | \ni | 28 | \(\nsubseteq\) | \nsubseteq |
7 | \(\cap\) | \cap | 29 | \(\subsetneq\) | \subsetneq |
8 | \(\Cap\) | \Cap | 30 | \(\varsubsetneq\) | \varsubsetneq |
9 | \(\sqcap\) | \sqcap | 31 | \(\sqsubseteq\) | \sqsubseteq |
10 | \(\bigcap\) | \bigcap | 32 | \(\supseteq\) | \supseteq |
11 | \(\cup\) | \cup | 33 | \(\nsupseteq\) | \nsupseteq |
12 | \(\Cup\) | \Cup | 34 | \(\supsetneq\) | \supsetneq |
13 | \(\sqcup\) | \sqcup | 35 | \(\varsupsetneq\) | \varsupsetneq |
14 | \(\bigcup\) | \bigcup | 36 | \(\sqsupseteq\) | \sqsupseteq |
15 | \(\bigsqcup\) | \bigsqcup | 37 | \(\subseteqq\) | \subseteqq |
16 | \(\uplus\) | \uplus | 38 | \(\nsubseteqq\) | \nsubseteqq |
17 | \(\biguplus\) | \biguplus | 39 | \(\subsetneqq\) | \subsetneqq |
18 | \(\setminus\) | \setminus | 40 | \(\varsubsetneqq\) | \varsubsetneqq |
19 | \(\smallsetminus\) | \smallsetminus | 41 | \(\supseteqq\) | \supseteqq |
20 | \(\times\) | \times | 42 | \(\nsupseteqq\) | \nsupseteqq |
21 | \(\subset\) | \subset | 43 | \(\supsetneqq\) | \supsetneqq |
22 | \(\Subset\) | \Subset | 44 | \(\varsupsetneqq\) | \varsupsetneqq |
(9) 箭头符号
序号 | 符号 | LaTeX | 序号 | 符号 | LaTeX |
---|---|---|---|---|---|
1 | \(\Rrightarrow\) | \Rrightarrow | 36 | \(\longmapsto\) | \longmapsto |
2 | \(\Lleftarrow\) | \Lleftarrow | 37 | \(\rightharpoonup\) | \rightharpoonup |
3 | \(\Rightarrow\) | \Rightarrow | 38 | \(\rightharpoondown\) | \rightharpoondown |
4 | \(\nRightarrow\) | \nRightarrow | 39 | \(\leftharpoonup\) | \leftharpoonup |
5 | \(\Longrightarrow\) | \Longrightarrow | 40 | \(\leftharpoondown\) | \leftharpoondown |
6 | \(\implies\) | \implies | 41 | \(\upharpoonleft\) | \upharpoonleft |
7 | \(\Leftarrow\) | \Leftarrow | 42 | \(\upharpoonright\) | \upharpoonright |
8 | \(\nLeftarrow\) | \nLeftarrow | 43 | \(\downharpoonleft\) | \downharpoonleft |
9 | \(\Longleftarrow\) | \Longleftarrow | 44 | \(\downharpoonright\) | \downharpoonright |
10 | \(\Leftrightarrow\) | \Leftrightarrow | 45 | \(\rightleftharpoons\) | \rightleftharpoons |
11 | \(\nLeftrightarrow\) | \nLeftrightarrow | 46 | \(\leftrightharpoons\) | \leftrightharpoons |
12 | \(\Longleftrightarrow\) | \Longleftrightarrow | 47 | \(\curvearrowleft\) | \curvearrowleft |
13 | \(\iff\) | \iff | 48 | \(\circlearrowleft\) | \circlearrowleft |
14 | \(\Uparrow\) | \Uparrow | 49 | \(\Lsh\) | \Lsh |
15 | \(\Downarrow\) | \Downarrow | 50 | \(\upuparrows\) | \upuparrows |
16 | \(\Updownarrow\) | \Updownarrow | 51 | \(\rightrightarrows\) | \rightrightarrows |
17 | \(\rightarrow\) | \rightarrow | 52 | \(\rightleftarrows\) | \rightleftarrows |
18 | \(\to\) | \to | 53 | \(\rightarrowtail\) | \rightarrowtail |
19 | \(\nrightarrow\) | \nrightarrow | 54 | \(\looparrowright\) | \looparrowright |
20 | \(\longrightarrow\) | \longrightarrow | 55 | \(\curvearrowright\) | \curvearrowright |
21 | \(\leftarrow\) | \leftarrow | 56 | \(\circlearrowright\) | \circlearrowright |
22 | \(\gets\) | \gets | 57 | \(\Rsh\) | \Rsh |
23 | \(\nleftarrow\) | \nleftarrow | 58 | \(\downdownarrows\) | \downdownarrows |
24 | \(\longleftarrow\) | \longleftarrow | 59 | \(\leftleftarrows\) | \leftleftarrows |
25 | \(\leftrightarrow\) | \leftrightarrow | 60 | \(\leftrightarrows\) | \leftrightarrows |
26 | \(\nleftrightarrow\) | \nleftrightarrow | 61 | \(\leftarrowtail\) | \leftarrowtail |
27 | \(\longleftrightarrow\) | \longleftrightarrow | 62 | \(\looparrowleft\) | \looparrowleft |
28 | \(\uparrow\) | \uparrow | 63 | \(\hookrightarrow\) | \hookrightarrow |
29 | \(\downarrow\) | \downarrow | 64 | \(\hookleftarrow\) | \hookleftarrow |
30 | \(\updownarrow\) | \updownarrow | 65 | \(\multimap\) | \multimap |
31 | \(\nearrow\) | \nearrow | 66 | \(\leftrightsquigarrow\) | \leftrightsquigarrow |
32 | \(\swarrow\) | \swarrow | 67 | \(\rightsquigarrow\) | \rightsquigarrow |
33 | \(\nwarrow\) | \nwarrow | 68 | \(\twoheadrightarrow\) | \twoheadrightarrow |
34 | \(\searrow\) | \searrow | 69 | \(\twoheadleftarrow\) | \twoheadleftarrow |
35 | \(\mapsto\) | \mapsto |
(10) 特殊符号
序号 | 符号 | LaTeX | 序号 | 符号 | LaTeX |
---|---|---|---|---|---|
1 | \(\infty\) | \infty | 33 | \(\flat\) | \flat |
2 | \(\aleph\) | \aleph | 34 | \(\natural\) | \natural |
3 | \(\complement\) | \complement | 35 | \(\sharp\) | \sharp |
4 | \(\backepsilon\) | \backepsilon | 36 | \(\diagup\) | \diagup |
5 | \(\eth\) | \eth | 37 | \(\diagdown\) | \diagdown |
6 | \(\Finv\) | \Finv | 38 | \(\centerdot\) | \centerdot |
7 | \(\hbar\) | \hbar | 39 | \(\ltimes\) | \ltimes |
8 | \(\Im\) | \Im | 40 | \(\rtimes\) | \rtimes |
9 | \(\imath\) | \imath | 41 | \(\leftthreetimes\) | \leftthreetimes |
10 | \(\jmath\) | \jmath | 42 | \(\rightthreetimes\) | \rightthreetimes |
11 | \(\Bbbk\) | \Bbbk | 43 | \(\eqcirc\) | \eqcirc |
12 | \(\ell\) | \ell | 44 | \(\circeq\) | \circeq |
13 | \(\mho\) | \mho | 45 | \(\triangleq\) | \triangleq |
14 | \(\wp\) | \wp | 46 | \(\bumpeq\) | \bumpeq |
15 | \(\Re\) | \Re | 47 | \(\Bumpeq\) | \Bumpeq |
16 | \(\circledS\) | \circledS | 48 | \(\doteqdot\) | \doteqdot |
17 | \(\amalg\) | \amalg | 49 | \(\risingdotseq\) | \risingdotseq |
18 | \(\%\) | \% | 50 | \(\fallingdotseq\) | \fallingdotseq |
19 | \(\dagger\) | \dagger | 51 | \(\intercal\) | \intercal |
20 | \(\ddagger\) | \ddagger | 52 | \(\barwedge\) | \barwedge |
21 | \(\ldots\) | \ldots | 53 | \(\veebar\) | \veebar |
22 | \(\cdots\) | \cdots | 54 | \(\doublebarwedge\) | \doublebarwedge |
23 | \(\smile\) | \smile | 55 | \(\between\) | \between |
24 | \(\frown\) | \frown | 56 | \(\pitchfork\) | \pitchfork |
25 | \(\wr\) | \wr | 57 | \(\vartriangleleft\) | \vartriangleleft |
26 | \(\triangleleft\) | \triangleleft | 58 | \(\ntriangleleft\) | \ntriangleleft |
27 | \(\triangleright\) | \triangleright | 59 | \(\vartriangleright\) | \vartriangleright |
28 | \(\diamondsuit\) | \diamondsuit | 60 | \(\ntriangleright\) | \ntriangleright |
29 | \(\heartsuit\) | \heartsuit | 61 | \(\trianglelefteq\) | \trianglelefteq |
30 | \(\clubsuit\) | \clubsuit | 62 | \(\ntrianglelefteq\) | \ntrianglelefteq |
31 | \(\spadesuit\) | \spadesuit | 63 | \(\trianglerighteq\) | \trianglerighteq |
32 | \(\Game\) | \Game | 64 | \(\ntrianglerighteq\) | \ntrianglerighteq |
(11) 分数
类型 | 符号 | LaTeX |
---|---|---|
分数 | \(\frac{2}{4}x=0.5x or {2 \over 4}x=0.5x\) | \frac{2}{4}x=0.5x or {2 \over 4}x=0.5x |
小型分数 | \(\tfrac{2}{4}x = 0.5x\) | \tfrac{2}{4}x = 0.5x |
大型分数(不嵌套) | \(\dfrac{2}{4} = 0.5 \qquad \dfrac{2}{c + \dfrac{2}{d + \dfrac{2}{4}}} = a\) | \dfrac{2}{4} = 0.5 \qquad \dfrac{2}{c + \dfrac{2}{d + \dfrac{2}{4}}} = a |
大型分数(嵌套) | \(\cfrac{2}{c + \cfrac{2}{d + \cfrac{2}{4}}} = a\) | \cfrac{2}{c + \cfrac{2}{d + \cfrac{2}{4}}} = a |
(12) 数值函数
符号 | LaTeX |
---|---|
\(\exp_a b = a^b, \exp b = e^b, 10^m\) | \exp_a b = a^b, \exp b = e^b, 10^m |
\(\ln c, \lg d = \log e, \log_{10} f\) | \ln c, \lg d = \log e, \log_{10} f |
\(\sin a, \cos b, \tan c, \cot d, \sec e, \csc f\) | \sin a, \cos b, \tan c, \cot d, \sec e, \csc f |
\(\arcsin a, \arccos b, \arctan c\) | \arcsin a, \arccos b, \arctan c |
\(\operatorname{arccot} d, \operatorname{arcsec} e, \operatorname{arccsc} f\) | \operatorname{arccot} d, \operatorname{arcsec} e, \operatorname{arccsc} f |
\(\sinh a, \cosh b, \tanh c, \coth d\) | \sinh a, \cosh b, \tanh c, \coth d |
\(\operatorname{sh}k, \operatorname{ch}l, \operatorname{th}m, \operatorname{coth}n\) | \operatorname{sh}k, \operatorname{ch}l, \operatorname{th}m, \operatorname{coth}n |
\(\operatorname{argsh}o, \operatorname{argch}p, \operatorname{argth}q\) | \operatorname{argsh}o, \operatorname{argch}p, \operatorname{argth}q |
\(\operatorname{sgn}r, \left\vert s \right\vert\) | \operatorname{sgn}r, \left\vert s \right\vert |
\(\min(x,y), \max(x,y)\) | \min(x,y), \max(x,y) |
如果需要使用特殊的函数符号,那么可以采用 \operatorname{}
命令进行自定义:
符号 | LaTeX |
---|---|
\(\operatorname{mydefine}x\) | \operatorname{mydefine}x |
(13) 根式
符号 | LaTeX | 符号 | LaTeX |
---|---|---|---|
\(\surd\) | \surd | \(\sqrt[n]{\pi}\) | \sqrt[n]{\pi} |
\(\sqrt{\pi}\) | \sqrt{\pi} | \(\sqrt[3]{\frac{x^3+y^3}{2}}*\) | \sqrt[3]{\frac{x^3+y^3}{2}}* |
(14) 微积分,导数,模,极限,范围
符号 | LaTeX |
---|---|
\(dt, \mathrm{d}t, \partial t, \nabla\psi\) | dt, \mathrm{d}t, \partial t, \nabla\psi |
\(dy/dx, \mathrm{d}y/\mathrm{d}x, \frac{dy}{dx}, \frac{\mathrm{d}y}{\mathrm{d}x}, \frac{\partial^2}{\partial x_1\partial x_2}y\) | dy/dx, \mathrm{d}y/\mathrm{d}x, \frac{dy}{dx}, \frac{\mathrm{d}y}{\mathrm{d}x}, \frac{\partial^2}{\partial x_1\partial x_2}y |
\(\prime, \backprime, f^\prime, f', f'', f^{(3)}, \dot y, \ddot y\) | \prime, \backprime, f^\prime, f', f'', f^{(3)}, \dot y, \ddot y |
\(s_k \equiv 0 \pmod{m}\) | s_k \equiv 0 \pmod{m} |
\(a \bmod b\) | a \bmod b |
\(\gcd(m, n), \operatorname{lcm}(m, n)\) | \gcd(m, n), \operatorname{lcm}(m, n) |
\(\mid, \nmid, \shortmid, \nshortmid\) | \mid, \nmid, \shortmid, \nshortmid |
\(\lim_{n \to \infty}x_n\) | \lim_{n \to \infty}x_n |
\(\textstyle \lim_{n \to \infty}x_n\) | \textstyle \lim_{n \to \infty}x_n |
\(\min x, \max y, \inf s, \sup t\) | \min x, \max y, \inf s, \sup t |
\(\lim u, \liminf v, \limsup w\) | \lim u, \liminf v, \limsup w |
\(\dim p, \deg q, \det m, \ker\phi\) | \dim p, \deg q, \det m, \ker\phi |
\(\Pr j, \hom l, \lVert z \rVert, \arg z\) | \Pr j, \hom l, \lVert z \rVert, \arg z |
\(\int\limits_{1}^{3}\frac{e^3/x}{x^2}\, dx\) | \int\limits_{1}^{3}\frac{e^3/x}{x^2}\, dx |
\(\int_{1}^{3}\frac{e^3/x}{x^2}\, dx\) | \int_{1}^{3}\frac{e^3/x}{x^2}\, dx |
\(\textstyle \int\limits_{-N}^{N} e^x dx\) | \textstyle \int\limits_{-N}^{N} e^x dx |
\(\textstyle \int_{-N}^{N} e^x dx\) | \textstyle \int_{-N}^{N} e^x dx |
\(\iint\limits_D dx\,dy\) | \iint\limits_D dx\,dy |
\(\iiint\limits_E dx\,dy\,dz\) | \iiint\limits_E dx\,dy\,dz |
\(\int_{(x,y)\in C} x^3\, dx + 4y^2\, dy\) | \int_{(x,y)\in C} x^3\, dx + 4y^2\, dy |
\(\oint_{(x,y)\in C} x^3\, dx + 4y^2\, dy\) | \oint_{(x,y)\in C} x^3\, dx + 4y^2\, dy |
注意:积分符号采用
\int\_{}^{}
命令调用,双重积分符号采用\iint\_{}^{}
,以此类推,最高可以支持四重积分 (我测试的是三重啊?)。
(15) 大型运算符
分类 | 符号 | LaTeX | 符号 | LaTeX |
---|---|---|---|---|
求和 | \(\sum_{a}^{b}\) | \sum_{a}^{b} | \(\textstyle \sum_{a}^{b}\) | \textstyle \sum_{a}^{b} |
连乘积 | \(\prod_{a}^{b}\) | \prod_{a}^{b} | \(\textstyle \prod_{a}^{b}\) | \textstyle \prod_{a}^{b} |
余积 | \(\coprod_{a}^{b}\) | \coprod_{a}^{b} | \(\textstyle \coprod_{a}^{b}\) | \textstyle \coprod_{a}^{b} |
并集 | \(\bigcup_{a}^{b}\) | \bigcup_{a}^{b} | \(\textstyle \bigcup_{a}^{b}\) | \textstyle \bigcup_{a}^{b} |
交集 | \(\bigcap_{a}^{b}\) | \bigcap_{a}^{b} | \(\textstyle \bigcap_{a}^{b}\) | \textstyle \bigcap_{a}^{b} |
析取 | \(\bigvee_{a}^{b}\) | \bigvee_{a}^{b} | \(\textstyle \bigvee_{a}^{b}\) | \textstyle \bigvee_{a}^{b} |
合取 | \(\bigwedge_{a}^{b}\) | \bigwedge_{a}^{b} | \(\textstyle \bigwedge_{a}^{b}\) | \textstyle \bigwedge_{a}^{b} |
(16) 上下标
类型 | 符号 | LaTeX |
---|---|---|
上标 | \(a^2\) \(a^{x+3}\) | a^2 a^{x+3} |
下标 | \(a_2\) | a_2 |
组合 | \(10^{30} a^{2+2}\) \(a_{i,j} b_{f'}\) | 10^{30} a^{2+2} a_{i,j} b_{f'} |
上下标 | \(x_2^3\) \({x_2}^3\) | x_2^3 {x_2}^3 |
上标的上标 | \(10^{10^{8}}\) | 10^{10^{8}} |
混合标识 | \({}_1^2!\Omega_3^4\) | {}_1^2!\Omega_3^4 |
顶标底标 | \(\overset{\alpha}{\omega}\),\(\underset{\alpha}{\omega}\),\(\overset{\alpha}{\underset{\gamma}{\omega}}\),\(\stackrel{\alpha}{\omega}\) | \overset{\alpha}{\omega} ,\underset{\alpha}{\omega} ,\overset{\alpha}{\underset{\gamma}{\omega}} ,\stackrel{\alpha}{\omega} |
导数 | \(x', y'', f', f'' x^\prime, y^{\prime\prime}\) | x', y'', f', f'' x^\prime, y^{\prime\prime} |
导数点 | \(\dot{x}, \ddot{x}\) | \dot{x}, \ddot{x} |
上下划线与向量 | \(\hat a \ \bar b \ \vec c\) \(\overrightarrow{a b} \ \overleftarrow{c d} \ \widehat{d e f}\) \(\overline{g h i} \ \underline{j k l}\) | \hat a \ \bar b \ \vec c \overrightarrow{a b} \ \overleftarrow{c d} \ \widehat{d e f} \overline{g h i} \ \underline{j k l} |
弧度 | \(\overset{\frown} {AB}\) | \overset{\frown} {AB} |
箭头 | \(A \xleftarrow{n+\mu-1} B \xrightarrow[T]{n\pm i-1} C\) | A \xleftarrow{n+\mu-1} B \xrightarrow[T]{n\pm i-1} C |
大括号 | \(\overbrace{ 1+2+\cdots+100 }^{5050}\) | \overbrace{ 1+2+\cdots+100 }^{5050} |
底部大括号 | \(\underbrace{ a+b+\cdots+z }_{26}\) | \underbrace{ a+b+\cdots+z }_{26} |
求和运算 | \(\sum_{k=1}^N k^2\) | \sum_{k=1}^N k^2 |
文本模式下的求和运算 | \(\textstyle \sum_{k=1}^N k^2\) | \textstyle \sum_{k=1}^N k^2 |
分式中的求和运算 | \(\frac{\sum_{k=1}^N k^2}{a}\) | \frac{\sum_{k=1}^N k^2}{a} |
分式中的求和运算 | \(\frac{\displaystyle \sum_{k=1}^N k^2}{a}\) | \frac{\displaystyle \sum_{k=1}^N k^2}{a} |
分式中的求和运算 | \(\frac{\sum\limits^{^N}_{k=1} k^2}{a}\) | \frac{\sum\limits^{^N}_{k=1} k^2}{a} |
乘积运算 | \(\prod_{i=1}^N x_i\) | \prod_{i=1}^N x_i |
乘积运算 | \(\textstyle \prod_{i=1}^N x_i\) | \textstyle \prod_{i=1}^N x_i |
副乘运算 | \(\coprod_{i=1}^N x_i\) | \coprod_{i=1}^N x_i |
副乘运算 | \(\textstyle \coprod_{i=1}^N x_i\) | \textstyle \coprod_{i=1}^N x_i |
极限 | \(\lim_{n \to \infty}x_n\) | \lim_{n \to \infty}x_n |
极限 | \(\textstyle \lim_{n \to \infty}x_n\) | \textstyle \lim_{n \to \infty}x_n |
积分 | \(\int\limits_{1}^{3}\frac{e^3/x}{x^2}\, dx\) | \int\limits_{1}^{3}\frac{e^3/x}{x^2}\, dx |
积分 | \(\int_{1}^{3}\frac{e^3/x}{x^2}\, dx\) | \int_{1}^{3}\frac{e^3/x}{x^2}\, dx |
积分 | \(\textstyle \int\limits_{-N}^{N} e^x dx\) | \textstyle \int\limits_{-N}^{N} e^x dx |
积分 | \(\textstyle \int_{-N}^{N} e^x dx\) | \textstyle \int_{-N}^{N} e^x dx |
双重积分 | \(\iint\limits_D dx\,dy\) | \iint\limits_D dx\,dy |
三重积分 | \(\iiint\limits_E dx\,dy\,dz\) | \iiint\limits_E dx\,dy\,dz |
四重积分 | Vscode中好像不支持四重 | \iiiint\limits_F dx\,dy\,dz\,dt |
路径积分 | \(\int_{(x,y)\in C} x^3\, dx + 4y^2\, dy\) | \int_{(x,y)\in C} x^3\, dx + 4y^2\, dy |
环路积分 | \(\oint_{(x,y)\in C} x^3\, dx + 4y^2\, dy\) | \oint_{(x,y)\in C} x^3\, dx + 4y^2\, dy |
交集 | \(\bigcap_{i=1}^n E_i\) | \bigcap_{i=1}^n E_i |
并集 | \(\bigcup_{i=1}^n E_i\) | \bigcup_{i=1}^n E_i |
(17) 二项式系数
类型 | 符号 | LaTeX |
---|---|---|
二项式系数 | \(\binom{n}{k}\) | \binom{n}{k} |
小型二项式系数 | \(\tbinom{n}{k}\) | \tbinom{n}{k} |
大型二项式系数 | \(\dbinom{n}{k}\) | \dbinom{n}{k} |
(18) 矩阵
符号 | LaTeX |
---|---|
|
\begin{matrix} x & y \\ z & v \end{matrix} |
|
\begin{vmatrix} x & y \\ z & v \end{vmatrix} |
|
\begin{Vmatrix} x & y \\ z & v \end{Vmatrix} |
|
\begin{bmatrix} 0 & \cdots & 0 \\ \vdots & \ddots & \vdots \\ 0 & \cdots & 0 \end{bmatrix} |
|
\begin{Bmatrix} x & y \\ z & v \end{Bmatrix} |
|
\begin{Vmatrix} x & y \\ z & v \end{Vmatrix} |
|
\begin{pmatrix} x & y \\ z & v \end{pmatrix} |
|
\bigl( \begin{smallmatrix} a&b\\ c&d \end{smallmatrix} \bigr) |
(19) 数组和方程组
符号 | LaTeX |
---|---|
|
\begin{array}{ | c | c | c | } a & b & S \\ \hline 0 & 0 & 1 \\ 0 & 1 & 1 \\ 1 & 0 & 1 \\ 1 & 1 & 0 \end{array} |
|
\begin{cases} 3x + 5y + z \\ 7x - 2y + 4z \\ -6x + 3y + 2z \end{cases} |
|
f(n) = \begin{cases} n/2, & \text{if }n\text{ is even} \\ 3n+1, & \text{if }n\text{ is odd} \end{cases} |
|
\begin{align} f(x) & = (a+b)^2\\ & = a^2+2ab+b^2 \end{align} |
|
\begin{alignat}{2} f(x) & = (a-b)^2 \\ & = a^2-2ab+b^2 \end{alignat} |
|
\begin{array}{lcl} z & = & a \\ f(x,y,z) & = & x + y + z \end{array} |
|
\begin{array}{lcr} z & = & a \\ f(x,y,z) & = & x + y + z \end{array} |
(20) 括号
类型 | 符号 | LaTeX |
---|---|---|
圆括号、小括号 | \(\left ( \frac{a}{b} \right )\) | \left ( \frac{a}{b} \right ) |
方括号、中括号 | \(\left [ \frac{a}{b} \right ]\) \(\left \lbrack \frac{a}{b} \right \rbrack\) | \left [ \frac{a}{b} \right ] \left \lbrack \frac{a}{b} \right \rbrack |
花括号、大括号 | \(\left \{ \frac{a}{b} \right \}\) \(\left \lbrace \frac{a}{b} \right \rbrace\) | \left \{ \frac{a}{b} \right \} \left \lbrace \frac{a}{b} \right \rbrace |
角括号 | \(\left \langle \frac{a}{b} \right \rangle\) | \left \langle \frac{a}{b} \right \rangle |
单竖线和双竖线 | \(\left \vert \frac{a}{b} \right \vert\) \(\left \Vert \frac{c}{d} \right \Vert\) | \left \vert \frac{a}{b} \right \vert \left \Vert \frac{c}{d} \right \Vert |
取整函数与取顶函数 | \(\left \lfloor \frac{a}{b} \right \rfloor\) \(\left \lceil \frac{c}{d} \right \rceil\) | \left \lfloor \frac{a}{b} \right \rfloor \left \lceil \frac{c}{d} \right \rceil |
斜线与反斜线 | \(\left / \frac{a}{b} \right \backslash\) | \left / \frac{a}{b} \right \backslash |
上下箭头 | \(\left \uparrow \frac{a}{b} \right \downarrow\) \(\left \Uparrow \frac{a}{b} \right \Downarrow\) \(\left \updownarrow \frac{a}{b} \right \Updownarrow\) | \left \uparrow \frac{a}{b} \right \downarrow \left \Uparrow \frac{a}{b} \right \Downarrow \left \updownarrow \frac{a}{b} \right \Updownarrow |
混合括号 | \(\left [ 0,1 \right )\) \(\left \langle \psi \right \vert\) | \left [ 0,1 \right ) \left \langle \psi \right \vert |
使用\left. 和\right. 不显示某侧的括号; | \(\left. \frac{A}{B} \right \} \to X\) | \left. \frac{A}{B} \right \} \to X |
(21) 括号尺寸
符号 | LaTeX |
---|---|
\(( \bigl( \Bigl( \biggl( \Biggl( \dots \Biggr] \biggr] \Bigr] \bigr] ]\) | ( \bigl( \Bigl( \biggl( \Biggl( \dots \Biggr] \biggr] \Bigr] \bigr] ] |
\(\{ \bigl \{ \Bigl \{ \biggl \{ \Biggl \{ \dots \Biggr\rangle \biggr\rangle \Bigr\rangle \bigr\rangle \rangle\) | \{ \bigl \{ \Bigl \{ \biggl \{ \Biggl \{ \dots \Biggr\rangle \biggr\rangle \Bigr\rangle \bigr\rangle \rangle |
\(\vert \big \vert \Big \vert \bigg \vert \Bigg \vert \dots \Bigg \vert \bigg \vert \Big \vert \big \vert\) | \vert \big \vert \Big \vert \bigg \vert \Bigg \vert \dots \Bigg \vert \bigg \vert \Big \vert \big \vert |
\(\lfloor \bigl\lfloor \Bigl\lfloor \biggl\lfloor \Biggl\lfloor \dots \Biggr\rceil \biggr\rceil \Bigr\rceil \bigr\rceil \rceil\) | \lfloor \bigl\lfloor \Bigl\lfloor \biggl\lfloor \Biggl\lfloor \dots \Biggr\rceil \biggr\rceil \Bigr\rceil \bigr\rceil \rceil |
\(\uparrow \big\uparrow \Big\uparrow \bigg\uparrow \Bigg\uparrow \dots \Bigg\Downarrow \bigg\Downarrow \Big\Downarrow \big\Downarrow \Downarrow\) | \uparrow \big\uparrow \Big\uparrow \bigg\uparrow \Bigg\uparrow \dots \Bigg\Downarrow \bigg\Downarrow \Big\Downarrow \big\Downarrow \Downarrow |
\(\updownarrow \big\updownarrow \Big\updownarrow \bigg\updownarrow \Bigg\updownarrow \dots \Bigg\Updownarrow \bigg\Updownarrow \Big\Updownarrow \big\Updownarrow \Updownarrow\) | \updownarrow \big\updownarrow \Big\updownarrow \bigg\updownarrow \Bigg\updownarrow \dots \Bigg\Updownarrow \bigg\Updownarrow \Big\Updownarrow \big\Updownarrow \Updownarrow |
\(/ \big/ \Big/ \bigg/ \Bigg/ \dots \Bigg\backslash \bigg\backslash \Big\backslash \big\backslash \backslash\) | / \big/ \Big/ \bigg/ \Bigg/ \dots \Bigg\backslash \bigg\backslash \Big\backslash \big\backslash \backslash |
(22) 空格换行
序号 | 符号 | LaTeX |
---|---|---|
双空格 | \(a \qquad b\) | a \qquad b |
单空格 | \(a \quad b\) | a \quad b |
字符空格 | \(a\ b\) | a\ b |
文本模式中的字符空格 | \(a \text{ } b\) | a \text{ } b |
大空格 | \(a\;b\) | a\;b |
小空格 | \(a\,b\) | a\,b |
极小空格 | \(ab\) | ab |
极小空格(用于区分语法) | \(a b\) | a b |
无空格(用于区分多字母变量) | \(\mathit{ab}\) | \mathit{ab} |