====== Blahtex manual ======
PagesやKeynoteの''挿入>方程式…''やGoogle Colaboratoryで数式を書くときは$\LaTeX$の形式で書くことになる。ここではBlahtexのmanualを基に簡単な数式の書き方を説明する。
===== Environment =====
|\begin{matrix}
a&b\\
c&d
\end{matrix}
|$\begin{matrix}a&b\\c&d\end{matrix}$|\begin{pmatrix}
a&b\\
c&d
\end{pmatrix}
|$\begin{pmatrix}a&b\\c&d\end{pmatrix}$ |
|\begin{bmatrix}
a&b\\
c&d
\end{bmatrix}
|$\begin{bmatrix}a&b\\c&d\end{bmatrix}$|\begin{Bmatrix}
a&b\\
c&d
\end{Bmatrix}
|$\begin{Bmatrix}a&b\\c&d\end{Bmatrix}$ |
|\begin{vmatrix}
a&b\\
c&d
\end{vmatrix}
|$\begin{vmatrix}a&b\\c&d\end{vmatrix}$|\begin{Vmatrix}
a&b\\
c&d
\end{Vmatrix}
|$\begin{Vmatrix}a&b\\c&d\end{Vmatrix}$ |
|\varphi(x)=\begin{cases}
\mathrm{e}^{\lambda x}&(x<0)\\
\mathrm{e}^{-\lambda x}&(x\ge 0)
\end{cases}
|$\varphi(x)=\begin{cases}\mathrm{e}^{\lambda x}&(x<0)\\\mathrm{e}^{-\lambda x}&(x\ge 0)\end{cases}$ |
|\begin{aligned}
x^2+y^2&=r^2\\
y&=\pm\sqrt{r^2-x^2}
\end{aligned}
|$\begin{aligned}x^2+y^2&=r^2\\y&=\pm\sqrt{r^2-x^2}\end{aligned}$ |
===== Miscellaneous =====
$\sqrt{x}$
$a\substack{a\\b\\c\\d} b$
$\overset{a}{b}$
$B \underset{a}{b}$
$\not 4$
===== Colour =====
\color{color_name}{colored_texts}
$$
\begin{matrix}
\color{yellow}{yellow} \hfill&
\color{red}{red} \hfill&
\color{magenta}{magenta} \hfill&
\color{blue}{blue} \hfill&
\color{green}{green} \hfill&
\color{cyan}{cyan} \hfill&
\color{black}{black} \hfill&
\color{white}{white}\leftarrow\text{white}&
\end{matrix}
$$
$$
\begin{matrix}
\color{GreenYellow}{GreenYellow} \hfill&
\color{Yellow}{Yellow} \hfill&
\color{Goldenrod}{Goldenrod} \hfill&
\color{Dandelion}{Dandelion} \hfill&
\color{Apricot}{Apricot} \hfill&\\
\color{Peach}{Peach} \hfill&
\color{Melon}{Melon} \hfill&
\color{YellowOrange}{YellowOrange} \hfill&
\color{Orange}{Orange} \hfill&
\color{BurntOrange}{BurntOrange} \hfill&\\
\color{Bittersweet}{Bittersweet} \hfill&
\color{RedOrange}{RedOrange} \hfill&
\color{Mahogany}{Mahogany} \hfill&
\color{Maroon}{Maroon} \hfill&
\color{BrickRed}{BrickRed} \hfill&\\
\color{Red}{Red} \hfill&
\color{OrangeRed}{OrangeRed} \hfill&
\color{RubineRed}{RubineRed} \hfill&
\color{WildStrawberry}{WildStrawberry} \hfill&
\color{Salmon}{Salmon} \hfill&\\
\color{CarnationPink}{CarnationPink} \hfill&
\color{Magenta}{Magenta} \hfill&
\color{VioletRed}{VioletRed} \hfill&
\color{Rhodamine}{Rhodamine} \hfill&
\color{Mulberry}{Mulberry} \hfill&\\
\color{RedViolet}{RedViolet} \hfill&
\color{Fuchsia}{Fuchsia} \hfill&
\color{Lavender}{Lavender} \hfill&
\color{Thistle}{Thistle} \hfill&
\color{Orchid}{Orchid} \hfill&\\
\color{DarkOrchid}{DarkOrchid} \hfill&
\color{Purple}{Purple} \hfill&
\color{Plum}{Plum} \hfill&
\color{Violet}{Violet} \hfill&
\color{RoyalPurple}{RoyalPurple} \hfill&\\
\color{BlueViolet}{BlueViolet} \hfill&
\color{Periwinkle}{Periwinkle} \hfill&
\color{CadetBlue}{CadetBlue} \hfill&
\color{CornflowerBlue}{CornflowerBlue} \hfill&
\color{MidnightBlue}{MidnightBlue} \hfill&\\
\color{NavyBlue}{NavyBlue} \hfill&
\color{RoyalBlue}{RoyalBlue} \hfill&
\color{Blue}{Blue} \hfill&
\color{Cerulean}{Cerulean} \hfill&
\color{Cyan}{Cyan} \hfill&\\
\color{ProcessBlue}{ProcessBlue} \hfill&
\color{SkyBlue}{SkyBlue} \hfill&
\color{Turquoise}{Turquoise} \hfill&
\color{TealBlue}{TealBlue} \hfill&
\color{Aquamarine}{Aquamarine} \hfill&\\
\color{BlueGreen}{BlueGreen} \hfill&
\color{Emerald}{Emerald} \hfill&
\color{JungleGreen}{JungleGreen} \hfill&
\color{SeaGreen}{SeaGreen} \hfill&
\color{Green}{Green} \hfill&\\
\color{ForestGreen}{ForestGreen} \hfill&
\color{PineGreen}{PineGreen} \hfill&
\color{LimeGreen}{LimeGreen} \hfill&
\color{YellowGreen}{YellowGreen} \hfill&
\color{SpringGreen}{SpringGreen} \hfill&\\
\color{OliveGreen}{OliveGreen} \hfill&
\color{RawSienna}{RawSienna} \hfill&
\color{Sepia}{Sepia} \hfill&
\color{Brown}{Brown} \hfill&
\color{Tan}{Tan} \hfill&\\
\color{Gray}{Gray} \hfill&
\color{Black}{Black} \hfill&
\color{White}{White}\hfill&
\leftarrow\text{White}\hfill&
\end{matrix}
$$
===== Spacing =====
|a b|$a b$|
|a\text{ }b|$a\text{ }b$|
|a\,b|$a\,b$|
|a\!b|$a\!b$|
|a\ b|$a\ b$|
|a\>b|$a\>b$|
|a\quad b|$a\quad b$|
|a\qquad b|$a\qquad b$|
===== Accents =====
$\hat{a}$
$\dot{x}$
$\ddot{x}$
$\bar{d}$
$\check{e}$
$\acute{e}$
$\grave{e}$
$\vec{b}$
$\breve{i}$
$\tilde{j}$
$\widehat{aa}$
$\overline{aa}$
$\underline{aaa}$
$\widetilde{AB}$
$A\overbrace{BCDE}F$
$ABC\underbrace{DEF}GHI$
$\overleftarrow{ABC}$
$\overrightarrow{ABC}$
$\overleftrightarrow{ABC}$
===== Named operators =====
$\operatorname{this}(x)$ $\operatornamewithlimits$
$\inf$ $\limsup$ $\liminf$ $\injlim$ $\projlim$ $\varlimsup$ $\varliminf$ $\varinjlim$ $\varprojlim$ $\min$ $\max$ $\gcd$ $\det$ $\Pr$ $\ker$ $\hom$ $\dim$ $\arg$ $\sin$ $\cos$ $\sec$ $\csc$ $\tan$ $\cot$ $\arcsin$ $\arccos$ $\arctan$ $\sinh$ $\cosh$ $\tanh$ $\coth$ $\log$ $\lg$ $\ln$ $\exp$ $\deg$ $a\mod b$ $\bmod$ $a \pmod b$
===== Escaped characters =====
$\_$ $\&$ $\$$ $\#$ $\%$ $\{$ $\}$
===== Greek letters =====
$$
\begin{matrix}
\alpha&\text{\alpha}\hfill&
\beta&\text{\beta}\hfill&
\gamma&\text{\gamma}\hfill&
\delta&\text{\delta}\hfill&
\epsilon&\text{\epsilon}\hfill\\
\varepsilon&\text{\varepsilon}\hfill&
\zeta&\text{\zeta}\hfill&
\eta&\text{\eta}\hfill&
\vartheta&\text{\vartheta}\hfill&
\theta&\text{\theta}\hfill\\
\iota&\text{\iota}\hfill&
\kappa&\text{\kappa}\hfill&
\varkappa&\text{\varkappa}\hfill&
\lambda&\text{\lambda}\hfill&
\mu&\text{\mu}\hfill\\
\nu&\text{\nu}\hfill&
\pi&\text{\pi}\hfill&
\varpi&\text{\varpi}\hfill&
\rho&\text{\rho}\hfill&
\varrho&\text{\varrho}\hfill\\
\sigma&\text{\sigma}\hfill&
\varsigma&\text{\varsigma}\hfill&
\tau&\text{\tau}\hfill&
\upsilon&\text{\upsilon}\hfill&
\phi&\text{\phi}\hfill\\
\varphi&\text{\varphi}\hfill&
\chi&\text{\chi}\hfill&
\psi&\text{\psi}\hfill&
\omega&\text{\omega}\hfill&
\xi&\text{\xi}\hfill\\
\digamma&\text{\digamma}\hfill&
\Gamma&\text{\Gamma}\hfill&
\Delta&\text{\Delta}\hfill&
\Theta&\text{\Theta}\hfill&
\Lambda&\text{\Lambda}\hfill\\
\Pi&\text{\Pi}\hfill&
\Sigma&\text{\Sigma}\hfill&
\Upsilon&\text{\Upsilon}\hfill&
\Phi&\text{\Phi}\hfill&
\Psi&\text{\Psi}\hfill\\
\Omega&\text{\Omega}\hfill&
\Xi&\text{\Xi}\hfill&
\end{matrix}
$$
===== Various mathematical symbols =====
$\ast$
$\implies$
$\neg$
$\ne$
$\ge$
$\le$
$\land$
$\lor$
$\gets$
$\to$
$\vert$
$\lvert$
$\rvert$
$\Vert$
$\lVert$
$\rVert$
$\lfloor$
$\rfloor$
$\lceil$
$\rceil$
$\lbrace$
$\rbrace$
$\langle$
$\rangle$
$\lbrack$
$\rbrack$
$\aleph$
$\beth$
$\gimel$
$\daleth$
$\wp$
$\ell$
$\P$
$\imath$
$\forall$
$\exists$
$\Finv$
$\Game$
$\partial$
$\Re$
$\Im$
$\leftarrow$
$\rightarrow$
$\longleftarrow$
$\longrightarrow$
$\Leftarrow$
$\Rightarrow$
$\Longleftarrow$
$\Longrightarrow$
$\mapsto$
$\longmapsto$
$\leftrightarrow$
$\Leftrightarrow$
$\longleftrightarrow$
$\Longleftrightarrow$
$\uparrow$
$\Uparrow$
$\downarrow$
$\Downarrow$
$\updownarrow$
$\Updownarrow$
$\searrow$
$\nearrow$
$\swarrow$
$\nwarrow$
$\hookrightarrow$
$\hookleftarrow$
$\upharpoonright$
$\upharpoonleft$
$\downharpoonright$
$\downharpoonleft$
$\rightharpoonup$
$\rightharpoondown$
$\leftharpoonup$
$\leftharpoondown$
$\nleftarrow$
$\nrightarrow$
$\supset$
$\subset$
$\supseteq$
$\subseteq$
$\sqsupset$
$\sqsubset$
$\sqsupseteq$
$\sqsubseteq$
$\supsetneq$
$\subsetneq$
$\in$
$\ni$
$\notin$
$\iff$
$\mid$
$\sim$
$\simeq$
$\approx$
$\propto$
$\equiv$
$\cong$
$\neq$
$\ll$
$\gg$
$\geq$
$\leq$
$\triangleleft$
$\triangleright$
$\trianglelefteq$
$\trianglerighteq$
$\models$
$\vdash$
$\Vdash$
$\vDash$
$\lesssim$
$\nless$
$\ngeq$
$\nleq$
$\times$
$\div$
$\wedge$
$\vee$
$\oplus$
$\otimes$
$\cap$
$\cup$
$\sqcap$
$\sqcup$
$\smile$
$\frown$
$\smallsmile$
$\smallfrown$
$\setminus$
$\smallsetminus$
$\And$
$\star$
$\triangle$
$\wr$
$\infty$
$\circ$
$\hbar$
$\lnot$
$\nabla$
$\prime$
$\backslash$
$\pm$
$\mp$
$\emptyset$
$\varnothing$
$\S$
$\angle$
$\colon$
$\Diamond$
$\nmid$
$\square$
$\Box$
$\checkmark$
$\complement$
$\eth$
$\hslash$
$\mho$
$\flat$
$\sharp$
$\natural$
$\bullet$
$\dagger$
$\ddagger$
$\clubsuit$
$\spadesuit$
$\heartsuit$
$\diamondsuit$
$\top$
$\bot$
$\perp$
$\ldots$
$\cdot$
$\cdots$
$\vdots$
$\ddots$
$\dots$
$\dotsb$
$\circledR$
$\yen$
$\maltese$
$\circledS$
$\Bbbk$
$\jmath$
$\ulcorner$
$\urcorner$
$\llcorner$
$\lrcorner$
$\dashrightarrow$
$\dashleftarrow$
$\backprime$
$\vartriangle$
$\blacktriangle$
$\triangledown$
$\blacktriangledown$
$\blacksquare$
$\lozenge$
$\blacklozenge$
$\bigstar$
$\sphericalangle$
$\measuredangle$
$\dotplus$
$\ltimes$
$\rtimes$
$\Cap$
$\leftthreetimes$
$\rightthreetimes$
$\Cup$
$\barwedge$
$\curlywedge$
$\veebar$
$\curlyvee$
$\doublebarwedge$
$\boxminus$
$\circleddash$
$\boxtimes$
$\circledast$
$\boxdot$
$\circledcirc$
$\boxplus$
$\centerdot$
$\divideontimes$
$\intercal$
$\leqq$
$\geqq$
$\leqslant$
$\geqslant$
$\eqslantless$
$\eqslantgtr$
$\gtrsim$
$\lessapprox$
$\gtrapprox$
$\approxeq$
$\eqsim$
$\lessdot$
$\gtrdot$
$\lll$
$\ggg$
$\lessgtr$
$\gtrless$
$\lesseqgtr$
$\gtreqless$
$\lesseqqgtr$
$\gtreqqless$
$\doteqdot$
$\eqcirc$
$\risingdotseq$
$\circeq$
$\fallingdotseq$
$\triangleq$
$\backsim$
$\thicksim$
$\backsimeq$
$\thickapprox$
$\subseteqq$
$\supseteqq$
$\Subset$
$\Supset$
$\preccurlyeq$
$\succcurlyeq$
$\curlyeqprec$
$\curlyeqsucc$
$\precsim$
$\succsim$
$\precapprox$
$\succapprox$
$\Vvdash$
$\shortmid$
$\shortparallel$
$\bumpeq$
$\between$
$\Bumpeq$
$\varpropto$
$\backepsilon$
$\blacktriangleleft$
$\blacktriangleright$
$\therefore$
$\because$
$\ngtr$
$\nleqslant$
$\ngeqslant$
$\nleqq$
$\ngeqq$
$\lneqq$
$\gneqq$
$\lvertneqq$
$\gvertneqq$
$\lnsim$
$\gnsim$
$\lnapprox$
$\gnapprox$
$\nprec$
$\nsucc$
$\npreceq$
$\nsucceq$
$\precneqq$
$\succneqq$
$\precnsim$
$\succnsim$
$\precnapprox$
$\succnapprox$
$\nsim$
$\ncong$
$\nshortmid$
$\nshortparallel$
$\nmid$
$\nparallel$
$\nvdash$
$\nvDash$
$\nVdash$
$\nVDash$
$\ntriangleleft$
$\ntriangleright$
$\ntrianglelefteq$
$\ntrianglerighteq$
$\nsubseteq$
$\nsupseteq$
$\nsubseteqq$
$\nsupseteqq$
$\subsetneq$
$\supsetneq$
$\varsubsetneq$
$\varsupsetneq$
$\subsetneqq$
$\supsetneqq$
$\varsubsetneqq$
$\varsupsetneqq$
$\leftleftarrows$
$\rightrightarrows$
$\leftrightarrows$
$\rightleftarrows$
$\Lleftarrow$
$\Rrightarrow$
$\twoheadleftarrow$
$\twoheadrightarrow$
$\leftarrowtail$
$\rightarrowtail$
$\looparrowleft$
$\looparrowright$
$\leftrightharpoons$
$\rightleftharpoons$
$\curvearrowleft$
$\curvearrowright$
$\circlearrowleft$
$\circlearrowright$
$\Lsh$
$\Rsh$
$\upuparrows$
$\downdownarrows$
$\multimap$
$\rightsquigarrow$
$\leftrightsquigarrow$
$\nLeftarrow$
$\nRightarrow$
$\nleftrightarrow$
$\nLeftrightarrow$
$\pitchfork$
$\nexists$
$\lhd$
$\rhd$
$\unlhd$
$\unrhd$
$\leadsto$
$\uplus$
$\diamond$
$\bigtriangleup$
$\bigtriangledown$
$\ominus$
$\oslash$
$\odot$
$\bigcirc$
$\amalg$
$\prec$
$\succ$
$\preceq$
$\succeq$
$\dashv$
$\asymp$
$\doteq$
$\parallel$
$\bowtie$
$\surd$
$\doublecap$
$\restriction$
$\llless$
$\gggtr$
$\Doteq$
$\doublecup$
$\dasharrow$
$\vartriangleleft$
$\vartriangleright$
$\Join$
===== Large operators =====
$\sum$ $\prod$ $\int$ $\iint$ $\iiint$ $\iiiint$ $\oint$ $\bigcap$ $\bigodot$ $\bigcup$ $\bigotimes$ $\coprod$ $\bigsqcup$ $\bigoplus$ $\bigvee$ $\biguplus$ $\bigwedge$