From 42a65ed4dd123ef5db913545cbfb9f32abcc4419 Mon Sep 17 00:00:00 2001
From: Lars kleyn Winkel <l.kleynwinkel@student.tudelft.nl>
Date: Fri, 14 Feb 2020 13:48:58 +0000
Subject: [PATCH] Update src/8_many_atoms_sol.md

---
 src/8_many_atoms_sol.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/8_many_atoms_sol.md b/src/8_many_atoms_sol.md
index 98f17816..1d9727aa 100644
--- a/src/8_many_atoms_sol.md
+++ b/src/8_many_atoms_sol.md
@@ -89,6 +89,8 @@ Both $v_g$ and $m_{eff}$ can be calculated using the respective formulae given i
 We know $g(E) = \frac{dN}{dk} \frac{dk}{dE} = \frac{L}{2\pi} \frac{1}{v_g}$ with $v_g$ from the previous subquestion. Graphically the density of states looks accordingly:
 
 ```python
+pyplot.figure()
+pyplot.title('Density of states for 2 atom unit cell and 1 atom unit cell')
 pyplot.subplot(1,3,1)
 k = np.linspace(-2*pi, 2*pi, 400)
 t1 = 1;
-- 
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