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      "source": [
        "\n# The difference between \\\\dfrac and \\\\frac\n\nIn this example, the differences between the \\\\dfrac and \\\\frac TeX macros are\nillustrated; in particular, the difference between display style and text style\nfractions when using Mathtext.\n\n.. versionadded:: 2.1\n\n<div class=\"alert alert-info\"><h4>Note</h4><p>To use \\\\dfrac with the LaTeX engine (text.usetex : True), you need to\n    import the amsmath package with :rc:`text.latex.preamble`, which is\n    an unsupported feature; therefore, it is probably a better idea to just\n    use the \\\\displaystyle option before the \\\\frac macro to get this behavior\n    with the LaTeX engine.</p></div>\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "import matplotlib.pyplot as plt\n\nfig = plt.figure(figsize=(5.25, 0.75))\nfig.text(0.5, 0.3, r'\\dfrac: $\\dfrac{a}{b}$',\n         horizontalalignment='center', verticalalignment='center')\nfig.text(0.5, 0.7, r'\\frac: $\\frac{a}{b}$',\n         horizontalalignment='center', verticalalignment='center')\nplt.show()"
      ]
    }
  ],
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      "name": "python3"
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    "language_info": {
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      },
      "file_extension": ".py",
      "mimetype": "text/x-python",
      "name": "python",
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      "pygments_lexer": "ipython3",
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