.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "intro/matplotlib/auto_examples/plot_contour.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_intro_matplotlib_auto_examples_plot_contour.py>`
        to download the full example code

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_intro_matplotlib_auto_examples_plot_contour.py:


Displaying the contours of a function
======================================

An example showing how to display the contours of a function with
matplotlib.

.. GENERATED FROM PYTHON SOURCE LINES 8-29



.. image-sg:: /intro/matplotlib/auto_examples/images/sphx_glr_plot_contour_001.png
   :alt: plot contour
   :srcset: /intro/matplotlib/auto_examples/images/sphx_glr_plot_contour_001.png
   :class: sphx-glr-single-img





.. code-block:: default


    import numpy as np
    import matplotlib.pyplot as plt

    def f(x,y):
        return (1 - x / 2 + x**5 + y**3) * np.exp(-x**2 -y**2)

    n = 256
    x = np.linspace(-3, 3, n)
    y = np.linspace(-3, 3, n)
    X,Y = np.meshgrid(x, y)

    plt.axes([0.025, 0.025, 0.95, 0.95])

    plt.contourf(X, Y, f(X, Y), 8, alpha=.75, cmap=plt.cm.hot)
    C = plt.contour(X, Y, f(X, Y), 8, colors='black', linewidths=.5)
    plt.clabel(C, inline=1, fontsize=10)

    plt.xticks([])
    plt.yticks([])
    plt.show()


.. rst-class:: sphx-glr-timing

   **Total running time of the script:** ( 0 minutes  0.088 seconds)


.. _sphx_glr_download_intro_matplotlib_auto_examples_plot_contour.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example




    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: plot_contour.py <plot_contour.py>`

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: plot_contour.ipynb <plot_contour.ipynb>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_