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

.. only:: html

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

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

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

.. _sphx_glr_examples_gallery_fields_plot_vector_field.py:


Plotting a vector field
=======================

This example shows how to initialize and visualize the vector field
:math:`\boldsymbol u = \bigl(\sin(x), \cos(x)\bigr)`.

.. GENERATED FROM PYTHON SOURCE LINES 8-14



.. image-sg:: /examples_gallery/fields/images/sphx_glr_plot_vector_field_001.png
   :alt: Stream plot
   :srcset: /examples_gallery/fields/images/sphx_glr_plot_vector_field_001.png
   :class: sphx-glr-single-img





.. code-block:: Python


    from pde import CartesianGrid, VectorField

    grid = CartesianGrid([[-2, 2], [-2, 2]], 32)
    field = VectorField.from_expression(grid, ["sin(x)", "cos(x)"])
    field.plot(method="streamplot", title="Stream plot")


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

   **Total running time of the script:** (0 minutes 0.308 seconds)


.. _sphx_glr_download_examples_gallery_fields_plot_vector_field.py:

.. only:: html

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

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

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

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

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

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: plot_vector_field.zip <plot_vector_field.zip>`