.. _sphx_glr_api_gallery_optimization_direct_search:

Direct search
-------------

Derivative-free minimization with the Nelder-Mead simplex method.


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  <div id='sg-tag-list' class='sphx-glr-tag-list'></div>


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    <div class="sphx-glr-thumbnails">

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    <div class="sphx-glr-thumbcontainer" tooltip="The Nelder-Mead simplex method uses function values only. On the Rosenbrock function it needs more function evaluations than BFGS, which uses gradients, but it also works on objectives that have no gradient at all.">

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  .. image:: /api/gallery/optimization/direct_search/images/thumb/sphx_glr_plot_01_nelder_mead_thumb.png
    :alt:

  :doc:`/api/gallery/optimization/direct_search/plot_01_nelder_mead`

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      <div class="sphx-glr-thumbnail-title">Nelder-Mead: minimizing without derivatives</div>
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    </div>


.. toctree::
   :hidden:

   /api/gallery/optimization/direct_search/plot_01_nelder_mead