fix max norm

complexity_estimator/plot.py

@@ -371,8 +371,10 @@ def visualize_sort_multidim(
             ratings[i, m] = rating
 
     if max_norm:
+        mins = ratings.min(dim=0)
         maxs = ratings.max(dim=0)
-        ratings[:] /= maxs.values
+        ratings[:] -= mins.values
+        ratings[:] /= maxs.values - mins.values
 
     if n_dim == 3:
         fig = plt.figure()