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wikipedia latex syntax

数式でます 
\acute{a} \grave{a} \hat{a} \tilde{a} \breve{a}
数式でました。


$\int_a^b f(x) dx$


\[ \int_a^b f(x) dx \]


$\sum_{i=1}^{10} i$


\[ \textstyle \sum_{i=1}^{10} i \]


\[ \sum_{i=1}^{10} i \]



\[
</p>
<pre>\left[
 \begin{array}{cc}
  a & b \\
  c & d
 \end{array}
\right]
</pre>
<p>\]


\[
\phi_n(\kappa)
</p>
<pre>= \frac{1}{4\pi^2\kappa^2} \int_0^\infty
\frac{\sin(\kappa R)}{\kappa R}
\frac{\partial}{\partial R}
\left[R^2\frac{\partial D_n(R)}{\partial R}\right]\,dR
</pre>
<p>\]


\[
{}_pF_q(a_1,...,a_p;c_1,...,c_q;z)
</p>
<pre>= \sum_{n=0}^\infty
\frac{(a_1)_n\cdot\cdot\cdot(a_p)_n}{(c_1)_n\cdot\cdot\cdot(c_q)_n}
\frac{z^n}{n!}
</pre>
<p>\]


\[
\mathcal{A} \mathcal{B} \mathcal{C} \mathcal{D} \mathcal{E} \mathcal{F} \mathcal{G}
\]


\[
\overbrace{ 1+2+\cdots+100 }^{5050}
\]


\[
\begin{bmatrix}
</p>
<pre> 0      & \cdots & 0      \\
 \vdots & \ddots & \vdots \\ 
 0      & \cdots & 0
</pre>
<p>\end{bmatrix}
\]


\[
</p>
<pre> \left(
 \begin{array}{cccc}
   a_{11} & a_{12} & \cdots & a_{1n} \\
   a_{21} & a_{22} & \cdots & a_{2n} \\
   \vdots & \vdots & \ddots & \vdots \\
   a_{m1} & a_{m2} & \cdots & a_{mn}
 \end{array}
 \right)
</pre>
<p>\]

渦があるのに渦なし。。。 
\[
v_{\theta} = \frac{1}{r}
\]

Pseudoinverse


\[
A^+ = (A^T A)^{-1} A^T
\]


Levi-Civita symbol


\[
</p>
<pre> \epsilon_{ijk} =
   \left\{
     \begin{array}{l}
       +1 \quad {\rm if \ } i,j,k {\rm \ is \ an \ even \ permutation} \\
       -1 \quad {\rm if \ } i,j,k {\rm \ is \ an \ odd \ permutation} \\
        0 \quad \rm{otherwise}
     \end{array}
   \right.
</pre>
<p>\]


\[
f(n) = 
\begin{cases} 
</p>
<pre> n/2,  & \mbox{if }n\mbox{ is even} \\
 3n+1, & \mbox{if }n\mbox{ is odd} 
</pre>
<p>\end{cases}
\]


\[
</p>
<pre>A \xleftarrow{n+\mu-1} B\xrightarrow[T]{n\pm i-1} C
</pre>
<p>\]
\[
</p>
<pre>\oint_{C} x^3\, dx + 4y^2\, dy
</pre>
<p>\]

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