Update 1_einstein_model.md - small changes to plot

src/1_einstein_model.md

@@ -242,7 +242,7 @@ xline = [1, 1];
 yline = [0, 2];
 fig, (ax, ax2) = pyplot.subplots(ncols=2, figsize=(10, 5))
 omega = np.linspace(0.1, 2)
-ax.plot(omega, 1/(np.exp(omega) - 1), 'b', xline, yline, 'k')
+ax.plot(omega, 1/(np.exp(omega) - 1), '-', xline, yline, 'k--')
 ax.set_ylim(0, top=3)
 ax.set_xlim(left=0)
 ax.set_xlabel('$\hbar \omega$')
@@ -252,7 +252,6 @@ ax.set_ylabel('$n$')
 ax.set_yticks([1, 2])
 ax.set_yticklabels(['$1$', '$2$'])
 ax.text(1, 0.5, r'$\hbar \omega = kT$', ha='left', color='r');
-draw_classic_axes(ax, xlabeloffset=.2)
 temps = np.linspace(0.01, 2)
 ax2.plot(temps, 1/2 + 1/(np.exp(1/temps)-1))
 ax2.set_ylim(bottom=0)