$$T_{k,k-1}=arg [\mathop {\min }\limits_T ] \sum_{i}||u^{‘}_i- \pi(p_i)||_{\sum}^2 \tag{2} $$

$$\left\{ {\matrix{
{v_0}=(B_{12}B_{13}-B_{11}B_{23}) / (B_{11}B_{22}-B_{12}^2) \cr
}}\right. \tag{29} $$

令$$B={A^{-T}}{A^{-1}}=\left[{ \matrix{
B_{11}&B_{12}&B_{13} \cr
B_{21}&B_{22}&B_{23} \cr
B_{31}&B_{32}&B_{33} \cr
}}\right] =\left[ {\matrix{
1 \over {\alpha ^2} & - \gamma \over{ {\alpha ^2}\beta } & {v_0} \gamma - {u_0} \beta \over {\alpha ^2} \beta \cr
- \gamma \over {\alpha ^2}\beta & {\gamma ^2 \over {\alpha ^2}{\beta ^2}} + {1 \over \beta ^2 } & { - \gamma ({v_0}\gamma - {u_0}\beta ) \over {\alpha ^2}{\beta ^2}} - {v_0 \over \beta ^2} \cr
{v_0} \gamma - {u_0} \beta \over {\alpha ^2} \beta & { - \gamma ({v_0}\gamma - {u_0}\beta ) \over {\alpha ^2}{\beta ^2}} - {v_0 \over \beta ^2} & {({v_0}\gamma - {u_0}\beta )^2 \over {\alpha ^2}{\beta ^2}} + {v_0^2 \over \beta ^2} + 1 \cr
} } \right]$$

$$\left\{ {A} \right.$$

$$u ={u_0} + {x_d \over dx}$$
$$u = 2 + {x_d \over dx}$$

$$\left[ {\matrix{
R_{3 \times 3} & R_{3 \times 3} \cr
O & 1 \cr
} } \right]$$

$${R_{3 \times 3}}$$

Simple inline $a = b + c$.

$$\frac{\partial u}{\partial t}
= h^2 \left( \frac{\partial^2 u}{\partial x^2} +
\frac{\partial^2 u}{\partial y^2} +
\frac{\partial^2 u}{\partial z^2}\right)$$

$$
\begin{eqnarray}
\nabla\cdot\vec{E} &=& \frac{\rho}{\epsilon_0} \
\nabla\cdot\vec{B} &=& 0 \
\nabla\times\vec{E} &=& -\frac{\partial B}{\partial t} \
\nabla\times\vec{B} &=& \mu_0\left(\vec{J}+\epsilon_0\frac{\partial E}{\partial t} \right)
\end{eqnarray}
$$

$$\frac{|ax + by + c|}{\sqrt{a^{2}+b^{2}}}$$

$$\sqrt {a^{2} + b^{2}}$$

$${\sqrt {a^{2} + b^{2}} } \over {\mathop {\lim }\limits_{x \to \infty } \sqrt {b^{2} - 4ac} }$$

$${\sqrt {a^{2} + b^{2}} } \over {\mathop {\lim }\limits_{x \to \infty } \sqrt {b^{2} - 4ac} } \cdot \sqrt 2 \cdot {n!}$$

$${\rm{T}}(\phi ) = \left[ {\matrix{
1 & 0 & 0 \cr
0 & {\cos \phi } & {\sin \phi } \cr
0 & { - \sin \phi } & {\cos \phi } \cr
} } \right]$$

$$R =\left[ {\matrix{
{\cos \varphi } & {\sin \varphi } & 0 \cr
{ - \sin \varphi } & {\cos \varphi } & 0 \cr
0 & 0 & 1 \cr
} } \right] \cdot \left[ {\matrix{
{\cos \theta } & 0 & { - \sin \theta } \cr
0 & 1 & 0 \cr
{\sin \theta } & 0 & {\cos \theta } \cr
} } \right] \cdot \left[ {\matrix{
1 & 0 & 0 \cr
0 & {\cos \phi } & {\sin \phi } \cr
0 & { - \sin \phi } & {\cos \phi } \cr
} } \right]$$