Merge pull request barbagroup#33 from jazzalin/master

gforsyth · web-flow · commit 02e1959e483b · 2017-04-12T08:51:49.000-04:00
Fixed boundary condition error in Step4
diff --git a/lessons/05_Step_4.ipynb b/lessons/05_Step_4.ipynb
@@ -441,8 +441,7 @@
     "                (un[i+1] - 2 * un[i] + un[i-1])\n",
     "    u[0] = un[0] - un[0] * dt / dx * (un[0] - un[-2]) + nu * dt / dx**2 *\\\n",
     "                (un[1] - 2 * un[0] + un[-2])\n",
-    "    u[-1] = un[-1] - un[-1] * dt / dx * (un[-1] - un[-2]) + nu * dt / dx**2 *\\\n",
-    "                (un[0]- 2 * un[-1] + un[-2])\n",
+    "    u[-1] = u[0]\n",
     "        \n",
     "u_analytical = numpy.asarray([ufunc(nt * dt, xi, nu) for xi in x])"
    ]
