Исправлены главы

src-intro/walkers.py

@@ -0,0 +1,6 @@
+# -*- coding: utf-8 -*-
+import numpy as np
+
+def random_walker_max_distance(M, N):
+    trajectories = [np.random.randn(M).cumsum() for _ in range(N)]
+    return np.max(np.abs(trajectories))