matplotlib_versions_demo.ipynb

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   "source": [
    "# Check versions\n",
    "import sys\n",
    "import matplotlib\n",
    "\n",
    "print \"Python is:\", sys.version\n",
    "print \"Matplotlib is:\", matplotlib.__version__\n",
    "\n",
    "# Import required libraries\n",
    "import numpy as np\n",
    "import matplotlib.pyplot as plt"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Make a plot\n",
    "fig = plt.figure(figsize=(6, 5))\n",
    "ax = fig.add_subplot(111)\n",
    "\n",
    "N = M = 200\n",
    "X, Y = np.ogrid[0:20:N*1j, 0:20:M*1j]\n",
    "data = np.sin(np.pi * X*2 / 20) * np.cos(np.pi * Y*2 / 20)\n",
    "\n",
    "im = ax.imshow(data, extent=[0, 200, 0, 200])\n",
    "fig.colorbar(im, ax=ax, shrink=0.8)\n",
    "\n",
    "ax.set_xlabel(\"X\", fontsize=18)\n",
    "ax.set_ylabel(\"Y\", fontsize=18)"
   ]
  }
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