Jupyter notebook version added

Author: com-py

ch01/Program_1.1_motion.ipynb

@@ -0,0 +1,68 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#\n",
+    "# Program 1.1: Motion with constant acceleration (motion.ipynb)\n",
+    "# J Wang, Computational modeling and visualization with Python\n",
+    "#\n",
+    "\n",
+    "import matplotlib.pyplot as plt # get matplotlib plot functions \n",
+    "import sys\n",
+    "%matplotlib notebook\n",
+    "\n",
+    "if (sys.version_info[0] < 3):\n",
+    "    a, v0 = input('enter a, v0 (eg 1.0, 0.0) : ')   # read input 2.xx \n",
+    "else:\n",
+    "    a, v0 = eval(input('enter a, v0 (eg 1.0, 0.0) : '))   # 3.xx\n",
+    "t, h, n = 0.0, 0.1, 20          # init time, step size, number of steps\n",
+    "ta, xa = [], []                 # time and position arrays for plotting \n",
+    "\n",
+    "for i in range(n):              # loop for n steps  \n",
+    "    ta.append(t)                # record time and position\n",
+    "    xa.append(v0*t + a*t*t/2.0)\n",
+    "    t = t + h                   # update time \n",
+    "\n",
+    "plt.figure()                    # start a figure; no indent->end of loop    \n",
+    "plt.plot(ta, xa, '-o')          # plot data\n",
+    "plt.xlabel('t (s)')             # add labels\n",
+    "plt.ylabel('x (m)')\n",
+    "plt.show()                      # show figure"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.6.1"
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+ "nbformat": 4,
+ "nbformat_minor": 1
+}