40 / 30 : add more comments

more interactive

Clean ipynb

Author: beachdweller

40_linear_algebra_1/30_3D_line_plane.ipynb

@@ -101,6 +101,10 @@
     "fig = py.figure(figsize=(10, 10))\n",
     "ax = fig.add_subplot(111, projection='3d')\n",
     "\n",
+    "# change this line to change view angle\n",
+    "# 보는 각도를 바꾸려면 아래 행을 조절하시오\n",
+    "ax.view_init(elev=30, azim=45, roll=15)\n",
+    "\n",
     "ax.plot(x[0], x[1], x[2], label='line')\n",
     "ax.plot((0, x_0[0, 0]), (0, x_0[1, 0]), (0, x_0[2, 0]), label='$\\\\mathbf{x_0}$')\n",
     "ax.plot((x_0[0, 0], x_0[0, 0]+d[0, 0]), \n",
@@ -112,6 +116,14 @@
     "\n"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "* Please feel free to try different `x_0` and `d` vectors.<br>다른 `x_0`, `d` 벡터로도 그려보자.\n",
+    "\n"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -175,9 +187,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "metadata": {
-    "scrolled": false
-   },
+   "metadata": {},
    "outputs": [],
    "source": [
     "# Normal Direction\n",
@@ -261,6 +271,14 @@
     "\n"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "* Please try different `norm` & `x0` vectors and observe the changes.<br>다른 `norm` & `x0` 벡터도 시도해 보면서 어떻게 달라지는지 관찰해 보기 바람.\n",
+    "\n"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -291,7 +309,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -305,9 +323,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.10.0"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 0
+ "nbformat_minor": 4
 }