phiflow 2.2 updates

diffphys-code-ns.ipynb

@@ -416,7 +416,7 @@
     "id": "PI3xY-7m_trr"
    },
    "source": [
-    "The loss should have gone down significantly, from above 1100 to below 700, and now we can also visualize the initial velocities that were obtained in the optimization. \n",
+    "The loss should have gone down significantly, from almost 300 to below 170, and now we can also visualize the initial velocities that were obtained in the optimization. \n",
     "\n",
     "The following images show the resulting three initial velocities in terms of their x (first set), and y components (second set of images). We're skipping the fourth set with `inflow_loc[0]` because it only contains zeros.\n"
    ]

overview-burgers-forw.ipynb

@@ -45,7 +45,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Using phiflow version: 2.0.3\n"
+      "Using phiflow version: 2.2.0\n"
      ]
     }
    ],