LaTeX での演算子、数学記号、ギリシャ文字などの表記方法です。
目次
演算子等
演算子等のラテフ表記。
\(+\) \(\cdots\) +
\(- \) \(\cdots\) –
\(\pm\) \(\cdots\) \pm
\(\times\) \(\cdots\) \times
\(\div\) \(\cdots\) \div
\(\geq\) \(\cdots\) \geq
\(\leq\) \(\cdots\) \leq
\(\ll\) \(\cdots\) \ll
\(\gg\) \(\cdots\) \gg
\(\neq\) \(\cdots\) \neq
\(\perp\) \(\cdots\) \perp
\(\parallel\) \(\cdots\) \parallel
\(|x|\) \(\cdots\) \|x|
\(\left| \displaystyle\frac{x}{y} \right| \) \(\cdots\) \left| \displaystyle\frac{x}{y} \right|
\(\angle A\) \(\cdots\) \angle A
\(30^\circ \) \(\cdots\) 30^\circ
\(\forall \) \(\cdots\) \forall
\(\exists\) \(\cdots\) \exists
\(\Rightarrow\) \(\cdots\) \Rightarrow
\(\equiv\) \(\cdots\) \equiv
\(\Leftrightarrow\) \(\cdots\) \Leftrightarrow
\(\dot{x}\) \(\cdots\) \dot{x}
\(\ddot{x}\) \(\cdots\) \ddot{x}
\(\overline{x}\) \(\cdots\) \overline{x}
\(\ni\) \(\cdots\) \ni
\(\in\) \(\cdots\) \in
\(\cup\) \(\cdots\) \cup
\(\cap\) \(\cdots\) \cap
\(\subset\) \(\cdots\) \subset
\(\supset\) \(\cdots\) \supset
\(\subseteq\) \(\cdots\) \subseteq
\(\supseteq\) \(\cdots\) \supseteq
\(\propto\) \(\cdots\) \propto
\(\cong\) \(\cdots\) \cong
\(\bigl(\bigr)\) \(\cdots\) \bigl(\bigr)
\(\biggl(\biggr)\) \(\cdots\) \biggl(\biggr)
\(\emptyset\) \(\cdots\) \emptyset
\(\langle \rangle\) \(\cdots\) \langle \rangle
\(\{\) \(\cdots\) \{
\(\top\) \(\cdots\) \top
\(\mid\) \(\cdots\) \mid （集合区切る）
数学記号
数学記号のラテフ表示。
根号
\(\sqrt x\) \(\cdots\) \sqrt x
\(\sqrt [n]{x}\) \(\cdots\) \sqrt [n]{x}
分数
\(\frac{2}{x}\) \(\cdots\) \frac{2}{x}
\(\displaystyle\frac{2}{x}\) \(\cdots\) \displaystyle\frac{2}{x}
総和
\(\sum_{i=1}^{n} x_i\) \(\cdots\) sum_{i=1}^{n} x_i
\(\displaystyle\sum_{i=1}^{n} x_i\) \(\cdots\) \displaystyle\sum_{i=1}^{n} x_i
\(\displaystyle\sum_{m=1}^{\infty}\) \(\cdots\) \displaystyle\sum_{m=1}^{\infty}
総乗
\(\prod_{i=1}^{n} x_i \) \(\cdots\) prod_{i=1}^{n} x_i
\(\displaystyle\prod_{i=1}^{n} x_i \) \(\cdots\) \displaystyle\prod_{i=1}^{n} x_i
組み合わせ
\(_{n}C_{r}\) \(\cdots\) _{n}C_{r}
\({}_n \mathrm{C}_r\) \(\cdots\) {}_n \mathrm{C}_r
三角関数
\(\sin x\) \(\cdots\) \sin x
\(\cos x\) \(\cdots\) \cos x
\(\tan x\) \(\cdots\) \tan x
\(\arcsin x\) \(\cdots\) \arcsin x
\(\sinh x\) \(\cdots\) \sinh x
対数
\( 2^{n} \) \(\cdots\) 2^{n}
\( \exp(x) \) \(\cdots\) \exp(x)
対数
\( \log_{2} x \) \(\cdots\) \log_{2} x
微分
\( f’ (x) \) \(\cdots\) f’ (x)
\( f^{(3)}(x) \) \(\cdots\) f^{(3)}(x)
\(\displaystyle\frac{\partial f}{\partial x}\) \(\cdots\) \displaystyle\frac{\partial f}{\partial x}
積分
\(\int_{a}^{b} f(x) dx\) \(\cdots\) \int_{a}^{b} f(x) dx
\(\displaystyle\int_{a}^{b} f(x) dx\) \(\cdots\) \displaystyle\int_{a}^{b} f(x) dx
\(\displaystyle\iint f(x) dx\) \(\cdots\) \displaystyle\iint f(x) dx
\(\displaystyle\iiint f(x) dx\) \(\cdots\) \displaystyle\iiint f(x) dx
\(\displaystyle\oint f(x) dx\) \(\cdots\) \displaystyle\oint f(x) dx
場合分け
\(x=\begin{cases} 0 & (x=1)\\ 1 & (x\neq 1) \end{cases}\)
数列
\( a_{n} \) \(\cdots\) a_{n}
ベクトル
\(\vec{a}\) \(\cdots\) \vec{a}
\(\overrightarrow{AB}\) \(\cdots\) \overrightarrow{AB}
\( \boldsymbol{k}\) \(\cdots\) \boldsymbol{k}
極限
\(\lim_{n\to \infty}\) \(\cdots\) \lim_{n\to \infty}
\(\displaystyle \lim_{n\to \infty}\) \(\cdots\) \displaystyle \lim_{n\to \infty}
変換
\(\mathcal{F}[g(t)]\) \(\cdots\) \mathcal{F}[g(t)]
\(\mathcal{L}[g(t)]\) \(\cdots\) \mathcal{L}[g(t)]
ベクトル解析
\(\mathrm{grad} \psi\) \(\cdots\) \mathrm{grad} \psi
\(\mathrm{div}\) \(\cdots\) \mathrm{div}
\(\mathrm{rot}\) \(\cdots\) \mathrm{rot}
行列
\(\left( \begin{array}{ccc} a & b & c \\ d & e & f \\ g & h & i \end{array} \right) \) →
\(\verb|\left( \begin{array}{ccc} |\)
\(\verb|a & b & c \\ d & e & f \\ g & h & i \end{array} \right)|\)
\(A =\begin{pmatrix}
a_{11} & a_{12} & \ldots & a_{1n} \\
a_{21} & a_{22} & \ldots & a_{2n} \\
\vdots & \vdots & \ddots & \vdots \\
a_{n1} & a_{n2} & \ldots & a_{nn}
\end{pmatrix}\) →
\(\verb|A =\begin{pmatrix}|\)
\(\verb|a_{11} & a_{12} & \ldots & a_{1n} \\|\)
\(\verb|a_{21} & a_{22} & \ldots & a_{2n} \\|\)
\(\verb|\vdots & \vdots & \ddots & \vdots \\|\)
\(\verb|a_{n1} & a_{n2} & \ldots & a_{nn}|\)
\(\verb|\end{pmatrix}|\)
※右クリック→Show Math As→ TeX Commands でも見れる。
ギリシャ文字
ギリシャ文字のラテフ表記。
小文字
\(\alpha\) \(\cdots\) \alpha
\(\beta\) \(\cdots\) \beta
\(\gamma\) \(\cdots\) \gamma
\(\delta\) \(\cdots\) \delta
\(\epsilon\) \(\cdots\) \epsilon
\(\zeta\) \(\cdots\) \zeta
\(\eta\) \(\cdots\) \eta
\(\theta\) \(\cdots\) \theta
\(\iota\) \(\cdots\) \iota
\(\kappa\) \(\cdots\) \kappa
\(\lambda\) \(\cdots\) \lambda
\(\mu\) \(\cdots\) \mu
\(\nu\) \(\cdots\) \nu
\(\xi\) \(\cdots\) \xi
\(\omicron\) \(\cdots\) \omicron
\(\pi\) \(\cdots\) \pi
\(\rho\) \(\cdots\) \rho
\(\sigma\) \(\cdots\) \sigma
\(\tau\) \(\cdots\) \tau
\(\upsilon\) \(\cdots\) \upsilon
\(\phi\) \(\cdots\) \phi
\(\chi\) \(\cdots\) \chi
\(\psi\) \(\cdots\) \psi
\(\omega\) \(\cdots\) \omega
大文字
\(\Delta\) \(\cdots\) \Delta
\(\Gamma\) \(\cdots\) \Gamma
\(\Pi\) \(\cdots\) \Pi
\(\Phi\) \(\cdots\) \Phi
\(\Omega\) \(\cdots\) \Omega
\(\Theta\) \(\cdots\) \Theta
おまけ
\(\nabla\) \(\cdots\) \nabla
\(\cdots\) \(\cdots\) \cdots
\(\ldots\) \(\cdots\) \ldots
\(\hbar\) \(\cdots\) \hbar
\(\ell\) \(\cdots\) \ell
\(\varepsilon\) \(\cdots\) \varepsilon
\(\varphi\) \(\cdots\) \varphi
そのまま表示 \(\cdots\) \verb||