Replaced sqrt(x**2+y**2) with hypot in Localization/histogram_filter/histogram_filter.py

Author: Gjacquenot

Localization/histogram_filter/histogram_filter.py

@@ -126,7 +126,7 @@ def observation(xTrue, u, RFID):
 
         dx = xTrue[0, 0] - RFID[i, 0]
         dy = xTrue[1, 0] - RFID[i, 1]
-        d = math.sqrt(dx ** 2 + dy ** 2)
+        d = math.hypot(dx, dy)
         if d <= MAX_RANGE:
             # add noise to range observation
             dn = d + np.random.randn() * NOISE_RANGE