+0

# ​ Test 2

+10
415
4
+1833

$$\left(\nabla^2+n^2(x)\,k^2\right){\{ {E\atop B}\} }=0$$

Feb 11, 2017

#1
+1833
+10

Just testing how to write a number over a number without a fraction line in LaTeX, and I doubt that question can be solved.

Feb 11, 2017
#2
+110154
0

Mmm

I worked this our from here

http://www.sascha-frank.com/Faq/matrices.html

\text{This text } \begin{smallmatrix}
2\\ 3\\
\end{smallmatrix} \;\;\text{is only for showing.}

$$\text{This text } \begin{smallmatrix} 2\\ 3\\ \end{smallmatrix} \;\;\text{is only for showing.}$$

Feb 11, 2017
#3
+110154
0