Started a testing bransh

pages/_tdt4160/firstTest.md

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+---
+layout: lecture
+title: "Testing of lecture notes in collectiosn"
+description: Filer for prosjekter og stæsj på NTNU.
+math: true
+date: 2020-05-29
+---
+
+Lecture notes is fun \eqref{test}.
+
+\begin{align}
+    E &= mc^2 \label{test} \\\\\
+      &= mv^s \nonumber
+\end{align}
+
+$\omega = 2 \pi f$
+
+In equation \eqref{eq:sample}, we find the value of an
+interesting integral:
+
+\begin{equation}
+  \int_0^\infty \frac{x^3}{e^x-1}\,dx = \frac{\pi^4}{15}
+  \label{eq:sample}
+\end{equation}
+
+\begin{bmatrix}
+  a & b \\\\\
+  c & c
+\end{bmatrix}
+
+Whot