cookbook/python_formula2tex.ipynb

python_formula2tex.ipynb

{
  "cells": [
    {
      "metadata": {
        "ExecuteTime": {
          "start_time": "2018-03-27T13:44:01.038269Z",
          "end_time": "2018-03-27T13:44:01.063304Z"
        },
        "trusted": true
      },
      "cell_type": "code",
      "source": "def python_formula2tex(formula, ret=None):\n    import sympy\n    import inspect\n\n    formula = inspect.getsourcelines(f)[0][0].split(\": \")[1].replace('np.', '')\n    tex_expr = sympy.latex(sympy.simplify(formula))\n\n    from IPython.display import display, Markdown\n    display(Markdown(f'$ {tex_expr} $'))\n\n    if ret:\n        return tex_expr",
      "execution_count": 1,
      "outputs": []
    },
    {
      "metadata": {
        "ExecuteTime": {
          "start_time": "2018-03-27T13:44:01.661132Z",
          "end_time": "2018-03-27T13:44:01.756748Z"
        },
        "trusted": true
      },
      "cell_type": "code",
      "source": "import numpy as np",
      "execution_count": 2,
      "outputs": []
    },
    {
      "metadata": {
        "ExecuteTime": {
          "start_time": "2018-03-27T13:44:02.167671Z",
          "end_time": "2018-03-27T13:44:03.217861Z"
        },
        "trusted": true
      },
      "cell_type": "code",
      "source": "f = lambda x, y: np.sin(3 * np.pi * x)**2 + (x-1)**2 * (1+np.sin(3 * np.pi * y)**2) + (y-1)**2 * (1+np.sin(2*np.pi*y)**2)\na = python_formula2tex(f, ret=True)",
      "execution_count": 3,
      "outputs": [
        {
          "output_type": "display_data",
          "data": {
            "text/plain": "<IPython.core.display.Markdown object>",
            "text/markdown": "$ \\left(x - 1\\right)^{2} \\left(\\sin^{2}{\\left (3 \\pi y \\right )} + 1\\right) + \\left(y - 1\\right)^{2} \\left(\\sin^{2}{\\left (2 \\pi y \\right )} + 1\\right) + \\sin^{2}{\\left (3 \\pi x \\right )} $"
          },
          "metadata": {}
        }
      ]
    },
    {
      "metadata": {
        "trusted": true
      },
      "cell_type": "code",
      "source": "",
      "execution_count": null,
      "outputs": []
    }
  ],
  "metadata": {
    "hide_input": false,
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3",
      "language": "python"
    },
    "language_info": {
      "name": "python",
      "version": "3.6.3",
      "mimetype": "text/x-python",
      "codemirror_mode": {
        "name": "ipython",
        "version": 3
      },
      "pygments_lexer": "ipython3",
      "nbconvert_exporter": "python",
      "file_extension": ".py"
    },
    "latex_envs": {
      "eqNumInitial": 1,
      "eqLabelWithNumbers": true,
      "current_citInitial": 1,
      "cite_by": "apalike",
      "bibliofile": "biblio.bib",
      "LaTeX_envs_menu_present": true,
      "labels_anchors": false,
      "latex_user_defs": false,
      "user_envs_cfg": false,
      "report_style_numbering": false,
      "autoclose": false,
      "autocomplete": true,
      "hotkeys": {
        "equation": "Ctrl-E",
        "itemize": "Ctrl-I"
      }
    },
    "toc": {
      "nav_menu": {},
      "number_sections": true,
      "sideBar": true,
      "skip_h1_title": false,
      "title_cell": "Table of Contents",
      "title_sidebar": "Contents",
      "toc_cell": false,
      "toc_position": {},
      "toc_section_display": true,
      "toc_window_display": false
    },
    "gist": {
      "id": "9e9d7e428a044ceab82d86c1ff6c2845",
      "data": {
        "description": "cookbook/python_formula2tex.ipynb",
        "public": true
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    },
    "_draft": {
      "nbviewer_url": "https://gist.github.com/9e9d7e428a044ceab82d86c1ff6c2845"
    }
  },
  "nbformat": 4,
  "nbformat_minor": 2
}