From d5467edf32d2ef15c8f2a999f0813b40d15d099f Mon Sep 17 00:00:00 2001
From: Lars kleyn Winkel <l.kleynwinkel@student.tudelft.nl>
Date: Mon, 10 Feb 2020 19:32:44 +0000
Subject: [PATCH] Update src/7_tight_binding_model_sol.md

---
 src/7_tight_binding_model_sol.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/7_tight_binding_model_sol.md b/src/7_tight_binding_model_sol.md
index 2fb15c51..23c5b3ef 100644
--- a/src/7_tight_binding_model_sol.md
+++ b/src/7_tight_binding_model_sol.md
@@ -75,3 +75,5 @@ For the heat capacity we have: $$C = \frac{\partial U}{\partial T} = \int g(\ome
 
 ### Subquestion 1
 
+The Schrödinger equation is given as: $$ E|\phi_n> = \sum_m \hat H|\phi_m>$$
+
-- 
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