.. _`Find local maxima/minima`:

.. _`com.sympathyfordata.timeseriesanalysis.find_maxima`:

Find local maxima/minima
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.. image:: maxima.svg
   :width: 48


Finds local maxima, minima. A point is a maximum(minimum) at scale S if it is larger(smaller) than all other points within radius S.





Definition
::::::::::


Input ports
...........

    **input**  table
        input


Output ports
............

    **indices**  table
        indices




Configuration
.............

    **Select column** (column)
        Select column used for finding local extreme points
    **Type** (method)
        Selects type of extreme points to detect
    **Scale level** (scale)
        Scale level at which to search for maxima/minima







Examples
........

* :download:`Cyclic_data.syx </Examples/Time Series/Cyclic_data.syx>`




Implementation
..............

.. automodule:: node_find_maxima
    :noindex:

.. class:: FindLocalMaxima
    :noindex: