diff --git a/docs/examples/fields/field_analysis.ipynb b/docs/examples/fields/field_analysis.ipynb
index 660618f..2a80b63 100644
--- a/docs/examples/fields/field_analysis.ipynb
+++ b/docs/examples/fields/field_analysis.ipynb
@@ -85,9 +85,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "FM = FieldMesh(\"../data/rfgun.h5\")\n",
+    "FM2D = FieldMesh(\"../data/rfgun.h5\")\n",
     "\n",
-    "plot_curl_equations(FM, ir=10)"
+    "plot_curl_equations(FM2D, ir=10)"
    ]
   },
   {
@@ -105,9 +105,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "FM = FieldMesh(\"../data/rfgun_rectangular.h5\")\n",
+    "FM3D2 = FieldMesh(\"../data/rfgun_rectangular.h5\")\n",
     "\n",
-    "plot_curl_equations(FM, ix=2, iy=2)"
+    "plot_curl_equations(FM3D2, ix=2, iy=2)"
    ]
   },
   {
@@ -135,9 +135,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "FM = FieldMesh(\"../data/solenoid.h5\")\n",
+    "FMS = FieldMesh(\"../data/solenoid.h5\")\n",
     "\n",
-    "check_static_div_equation(FM, plot=True, rtol=1)"
+    "check_static_div_equation(FMS, plot=True, rtol=1)"
    ]
   },
   {
@@ -163,7 +163,7 @@
     "theta = np.pi / 2  # Opening angle [rad]\n",
     "current = 1  # Current [Amp]\n",
     "\n",
-    "FM = make_dipole_corrector_fieldmesh(\n",
+    "FMC = make_dipole_corrector_fieldmesh(\n",
     "    current=current,\n",
     "    xmin=-0.9 * R,\n",
     "    xmax=0.9 * R,\n",
@@ -180,17 +180,9 @@
     "    b=L,\n",
     "    plot_wire=True,\n",
     ")\n",
-    "FM.plot_onaxis([\"Bx\", \"By\", \"Bz\"])"
+    "FMC.plot_onaxis([\"Bx\", \"By\", \"Bz\"])"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "id": "4931b71e-b175-4370-bf75-065ab6ae0989",
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  },
   {
    "cell_type": "code",
    "execution_count": null,
@@ -198,7 +190,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "check_static_div_equation(FM, plot=True, rtol=0.1, ix=211, iy=211)"
+    "check_static_div_equation(FMC, plot=True, rtol=0.09, ix=211, iy=211)"
    ]
   },
   {