Solutions lecture 7

src/7_tight_binding_model_sol.md

@@ -42,5 +42,4 @@ pyplot.xticks([-pi/a, 0, pi/a], [r'$-\pi/2$', 0, r'$\pi/2$'])
 pyplot.yticks([-1, 0, 1], ['$E_0-2t$', '$E_0$', '$E_0+2t$']);
 pyplot.yticks([1], [r'$2\sqrt{\frac{\kappa}{m}}$'])
 pyplot.hlines([1], -pi/2, 0, linestyles='dashed')
-pyplot.show()
 ```