Jupyter notebook version added

Author: com-py

ch08/Program_8.1_qmplane.ipynb

@@ -0,0 +1,63 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#\n",
+    "# Program 8.1: A quantum plane wave (qmplane.ipynb)\n",
+    "# J Wang, Computational modeling and visualization with Python\n",
+    "#\n",
+    "\n",
+    "import matplotlib.pyplot as plt, numpy as np\n",
+    "import matplotlib.animation as am\n",
+    "%matplotlib notebook\n",
+    "\n",
+    "def updatefig(*args):                       # args[0] = frame\n",
+    "    wf = np.exp(1j*(x-0.1*args[0]))         # traveling plane wave\n",
+    "    w = [prob, wf.real, wf.imag]\n",
+    "    for i in range(len(w)):\n",
+    "        plot[i].set_data(x, w[i])           # update data \n",
+    "\n",
+    "x = np.linspace(-2*np.pi, 2*np.pi, 101)\n",
+    "wf, prob = np.exp(1j*x), [1]*len(x)\n",
+    "fig = plt.figure()\n",
+    "plot = plt.plot(x,prob, x,wf.real, x,wf.imag)           # plot object \n",
+    "ani = am.FuncAnimation(fig, updatefig, interval=10)     # animate \n",
+    "plt.ylim(-1.2, 1.2),  plt.show()"
+   ]
+  },
+  {
+   "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"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}

ch08/Program_8.6_gaussxw.ipynb

@@ -0,0 +1,56 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#\n",
+    "# Program 8.6: Gauss abscissa and weight (gaussxw.ipynb)\n",
+    "# J Wang, Computational modeling and visualization with Python\n",
+    "#\n",
+    "\n",
+    "from scipy.special import legendre\n",
+    "\n",
+    "n = 36                  # order\n",
+    "p = legendre(n)\n",
+    "x = p.weights[:,0]      # abscissa\n",
+    "w = p.weights[:,1]      # weight\n",
+    "\n",
+    "for i in range(n):\n",
+    "    print ('%20.16f %20.16f' %(x[i], w[i]))"
+   ]
+  },
+  {
+   "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"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}