Test for uploading code to binder

binder-test.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [],
   "source": [
    "from ipywidgets import interactive\n",
    "import ipywidgets as widgets\n",
    "from IPython.display import display\n",
    "from matplotlib import pyplot as plt\n",
    "import numpy as np"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "bb12d1e3c96d44f5a1f9f354028c5702",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "interactive(children=(FloatSlider(value=0.0, description='a', max=1.0, min=-1.0), Output()), _dom_classes=('wi…"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "x = np.linspace(-2*np.pi, 2*np.pi, 200)\n",
    "\n",
    "def plotter(a):\n",
    "    global x\n",
    "    plt.plot(x, a*np.sin(x))\n",
    "    plt.xlim(x[0], x[-1])\n",
    "    plt.ylim(-1, 1)\n",
    "    plt.show()\n",
    "    \n",
    "slider = interactive(plotter, a=(-1, 1, 0.1))\n",
    "display(slider)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "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": "3.8.1"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}

environment.yml

name: binder-test
channels:
  - conda-forge
dependencies:
  - python=3.8
  - numpy
  - matplotlib