Interactive Jupyter Notebook

interactive_test.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Interactve Jupyter Notebook\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### This Notebook shows the addition of two sine waves with frequencies 3 Hz and 7 Hz. \n",
    "The weight for each sine wave, **w1** and **w2** respectivelly can be changed."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "0e96e9892b364e44a1028b82df2dc204",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "interactive(children=(FloatSlider(value=1.0, description='w1', max=1.0), FloatSlider(value=1.0, description='w…"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "import numpy as np\n",
    "from matplotlib import pyplot as plt\n",
    "from ipywidgets import interact\n",
    "from ipywidgets import interactive, fixed\n",
    "%matplotlib inline\n",
    "\n",
    "fs = 100 #Hz \n",
    "t  = np.arange(0,200) / fs  # time 1D\n",
    "x1 = np.sin(2*np.pi*3*t)     # 3 Hz sine wave\n",
    "x2 = np.sin(2*np.pi*7*t)     # 7 Hz sine wave\n",
    "x  = x1 + x2                 # adding both sine waves    \n",
    "\n",
    "def add_sines(x1, w1=1, w2=1):\n",
    "    plt.figure(2)\n",
    "    x = w1*x1 + w2*x2\n",
    "    plt.plot(t, x)\n",
    "    plt.ylim(-2.2, 2.2)\n",
    "    plt.xlabel('time (s)')\n",
    "    plt.ylabel('amplitude')\n",
    "    plt.title(str(w1)+ '$\\cdot$sin(2$\\pi\\cdot$3$\\cdot$t) + ' + str(w2) + '$\\cdot$sin(2$\\pi\\cdot$7$\\cdot$t)');\n",
    "    plt.show()\n",
    "\n",
    "\n",
    "interactive_plot = interactive(add_sines, w1=(0, 1, 0.1), w2=(0, 1, 0.1), \n",
    "                               x1=fixed(x1), x2=fixed(x2), t=fixed(t))\n",
    "output = interactive_plot.children[-1]\n",
    "output.layout.height = '350px'\n",
    "interactive_plot"
   ]
  }
 ],
 "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": "3.7.4"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}

requirements.txt

numpy==1.16.4
matplotlib==3.1.1
ipywidgets==7.5.1