Update 07-fdem in notebooks and markdown files

Author: santisoler

notebooks/frequency-domain-em/index.md

@@ -13,8 +13,8 @@ Schematic illustrating the physics of the FEM method for an inductive source.
 
 ## Tutorial Notebooks
 
-[1D Forward Simulation for a Single Sounding](07-fdem/fwd_fdem_1d) $({\color{green}Introductory}$, ${\color{green}Lightweight})$
+[1D Forward Simulation for a Single Sounding](frequency-domain-em/fwd_fdem_1d) $({\color{green}Introductory}$, ${\color{green}Lightweight})$
 <br />
 
-[1D Inversion for a Single Sounding](07-fdem/inv_fdem_1d) $({\color{orange}Intermediate}$, ${\color{green}Lightweight})$
+[1D Inversion for a Single Sounding](frequency-domain-em/inv_fdem_1d) $({\color{orange}Intermediate}$, ${\color{green}Lightweight})$
 <br />

notebooks/frequency-domain-em/inv_fdem_1d.ipynb

@@ -132,22 +132,22 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "overwriting /home/ssoler/git/user-tutorials/notebooks/07-fdem/inv_fdem_1d_files.tar.gz\n",
-      "Downloading https://github.com/simpeg/user-tutorials/raw/main/assets/07-fdem/inv_fdem_1d_files.tar.gz\n"
+      "overwriting /home/ssoler/git/user-tutorials/notebooks/frequency-domain-em/inv_fdem_1d_files.tar.gz\n",
+      "Downloading https://github.com/simpeg/user-tutorials/raw/main/assets/frequency-domain-em/inv_fdem_1d_files.tar.gz\n"
      ]
     },
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "   saved to: /home/ssoler/git/user-tutorials/notebooks/07-fdem/inv_fdem_1d_files.tar.gz\n",
+      "   saved to: /home/ssoler/git/user-tutorials/notebooks/frequency-domain-em/inv_fdem_1d_files.tar.gz\n",
       "Download completed!\n"
      ]
     }
    ],
    "source": [
     "# URL to assets\n",
-    "data_source = \"https://github.com/simpeg/user-tutorials/raw/main/assets/07-fdem/inv_fdem_1d_files.tar.gz\"\n",
+    "data_source = \"https://github.com/simpeg/user-tutorials/raw/main/assets/frequency-domain-em/inv_fdem_1d_files.tar.gz\"\n",
     "\n",
     "# download the data\n",
     "downloaded_data = download(data_source, overwrite=True)\n",

notebooks/time-domain-em/fwd_tdem_1d.ipynb

@@ -471,7 +471,7 @@
    "source": [
     "### Case 1: the conductive layer is also magnetically permeable\n",
     "\n",
-    "In this case, the middle layer is magnetically permeable in addition to being more conductive than the host. For TDEM simulation classes within SimPEG, the Earth's magnetic properties are defined as magnetic permeabilities (not susceptibilities). Here, the layer magnetic permeabilities are set as a static property of the simulation using the ``mu`` keyword argument. However, one could define a model whose parameters contain the layer magnetic permeabilities; see the [1D Forward Simulation of Frequency Domain EM Data for a Single Sounding](../07-fdem/fwd_fdem_1d.ipynb) tutorial. This would require the user set ``muMap``."
+    "In this case, the middle layer is magnetically permeable in addition to being more conductive than the host. For TDEM simulation classes within SimPEG, the Earth's magnetic properties are defined as magnetic permeabilities (not susceptibilities). Here, the layer magnetic permeabilities are set as a static property of the simulation using the ``mu`` keyword argument. However, one could define a model whose parameters contain the layer magnetic permeabilities; see the [1D Forward Simulation of Frequency Domain EM Data for a Single Sounding](../frequency-domain-em/fwd_fdem_1d.ipynb) tutorial. This would require the user set ``muMap``."
    ]
   },
   {