{
  "cells": [
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "%matplotlib inline"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "# Logarithmus\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "import numpy as np\nimport matplotlib.pyplot as plt\nimport matplotlib\n\nplt.figure()\n\nplt.subplots_adjust(hspace=0.4)\nt = np.arange(0.01, 20.0, 0.01)\n\n# log y axis\nplt.subplot(221)\nplt.semilogy(t, np.exp(-t / 5.0))\nplt.title(\"semilogy\")\nplt.grid(True)\n\n# log x axis\nplt.subplot(222)\nplt.semilogx(t, np.sin(2 * np.pi * t))\nplt.title(\"semilogx\")\nplt.grid(True)\n\n# log x and y axis\nplt.subplot(223)\n\nif matplotlib.__version__ < \"3.3.0\":\n    plt.loglog(t, 20 * np.exp(-t / 10.0), basex=2)\nelse:\n    plt.loglog(t, 20 * np.exp(-t / 10.0), base=2)\nplt.grid(True)\nplt.title(\"loglog base 4 on x\")\n\n# with errorbars: clip non-positive values\nax = plt.subplot(224)\n\nif matplotlib.__version__ < \"3.3.0\":\n    ax.set_xscale(\"log\", nonposx=\"clip\")\n    ax.set_yscale(\"log\", nonposy=\"clip\")\nelse:\n    ax.set_xscale(\"log\", nonpositive=\"clip\")\n    ax.set_yscale(\"log\", nonpositive=\"clip\")\n\nx = 10.0 ** np.linspace(0.0, 2.0, 20)\ny = x ** 2.0\nplt.errorbar(x, y, xerr=0.1 * x, yerr=5.0 + 0.75 * y)\nax.set_ylim(ymin=0.1)\nax.set_title(\"Errorbars go negative\")\n\n\nplt.show()"
      ]
    }
  ],
  "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": "3.8.10"
    }
  },
  "nbformat": 4,
  "nbformat_minor": 0
}