[need_for_speed] adjust figure size (#87)

mmcky · web-flow · commit e795fc33af1f · 2020-10-23T13:43:34.000+11:00
diff --git a/lectures/need_for_speed.md b/lectures/need_for_speed.md
@@ -388,7 +388,7 @@ xgrid = np.linspace(-3, 3, 50)
 ygrid = xgrid
 x, y = np.meshgrid(xgrid, ygrid)
 
-fig = plt.figure(figsize=(8, 6))
+fig = plt.figure(figsize=(10, 8))
 ax = fig.add_subplot(111, projection='3d')
 ax.plot_surface(x,
                 y,
