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

.. only:: html

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

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

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

.. _sphx_glr_auto_examples_demo_agents_video_plot_vi.py:


=======================================================
A demo of ValueIteration algorithm in Chain environment
=======================================================
 Illustration of how to set up an ValueIteration algorithm in rlberry.
 The environment chosen here is Chain environment.

.. video:: ../../video_plot_vi.mp4
   :width: 600

.. GENERATED FROM PYTHON SOURCE LINES 12-30

.. code-block:: python3


    from rlberry_scool.agents.dynprog import ValueIterationAgent
    from rlberry_scool.envs.finite import Chain

    env = Chain()
    agent = ValueIterationAgent(env, gamma=0.95)
    info = agent.fit()
    print(info)

    env.enable_rendering()
    observation, info = env.reset()
    for tt in range(50):
        action = agent.policy(observation)
        observation, reward, terminated, truncated, info = env.step(action)
        done = terminated or truncated
        if done:
            break
    video = env.save_video("_video/video_plot_vi.mp4")


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

   **Total running time of the script:** (0 minutes 0.000 seconds)


.. _sphx_glr_download_auto_examples_demo_agents_video_plot_vi.py:

.. only:: html

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




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

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

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

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


.. only:: html

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

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