Mandelbrot set: Difference between revisions

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@@ Line 7,062: / Line 7,062: @@
         u, v = 0.0, 0.0
         for k in range(n):
-            u, v = u ** 2 - v ** 2 + a, 2 * u * v + b
+            if u ** 2 + v ** 2 < r ** 2:
-            if not u ** 2 + v ** 2 < r ** 2:
+                u, v = u ** 2 - v ** 2 + a, 2 * u * v + b
+                T[i][j] = k + 1
+            else:
                 break
-        T[i][j] = k + 1
 plt.imshow(T, cmap=plt.cm.twilight_shifted)