minor fixes from last commit

Notebooks/Artifacts.ipynb

@@ -44,7 +44,7 @@
     "## Introduction\n",
     "\n",
     "Many of the artifacts that occur in MRI can be understood and analyzed using the k-space perspective.  In particular, they can be understood as the k-space data being modified by some function.  This is described mathematically in \n",
-    "[MRI Signal Equation and K-psace - K-space Data Weighting](MRI%20Signal%20Equation.ipynb#k-space-data-weighting)"
+    "[MRI Signal Equation and K-psace - K-space Data Weighting](MRI%20Signal%20Equation#k-space-data-weighting)"
    ]
   },
   {

Notebooks/Magnetic Fields and RF Coils.ipynb

@@ -56,7 +56,7 @@
     "| --- | --- | --- | --- | --- | --- |\n",
     "| Main Field | $B_0$ | $z$ | 0 Hz | $\\approx 1$ T | Polarization |\n",
     "| Main Field Inhomogeneities | $\\Delta B_0(\\vec{r})$ | $z$ | 0 Hz | $\\approx 1-10$ ppm | - |\n",
-    "| Magnetic Field Gradients | $\\vec$\\Delta B_0(\\vec{r})$ {G}(t)$ | $z$ | $\\approx 1$ kHz | $\\approx 10$ mT | Spatial Encoding |\n",
+    "| Magnetic Field Gradients | $\\vec G(t)$ | $z$ | $\\approx 1$ kHz | $\\approx 10$ mT | Spatial Encoding |\n",
     "| Transmit RF Coils | $B_1^+(\\vec{r},t)$ | $x,y$ | $\\approx 100$ MHz | $\\approx 10 \\mu T$ | Excitation |\n",
     "| Receive RF Coils | $B_1^-(\\vec{r},t)$ | $x,y$ | $\\approx 100$ MHz | $\\approx 1 \\mu T$ | Reception |\n",
     "| Net Magnetization | $\\vec{M}(\\vec{r},t)$ | $z,y,z$ | $\\approx 100$ MHz | $\\approx 1 \\mu \\mathrm{T}$ | Signal Source |\n",

Notebooks/Spatial Encoding.ipynb

@@ -521,7 +521,11 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {},
+   "metadata": {
+    "vscode": {
+     "languageId": "javascript"
+    }
+   },
    "outputs": [
     {
      "data": {