User talk:Ongmingcong

Inline Equations
Question 1

$\partial_t U = A U + \map B U$

Displayed Equations
Question 1


 * $\ds \map H U = \int_0^{2 \pi} \dfrac {\paren {\partial_x u}^2} 2 + \dfrac {v^2} 2 - \map F u \rd x$

Big Operators
Question 1:

$\ds \sum_{i \mathop = 1}^n$

Question 2:

$\dfrac {-b \pm \sqrt {b^2 - 4 a c} } {2 a}$

Calculus
$\dfrac {\d y} {\d x}$