.. _func-FlatTopPeak:

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FlatTopPeak
===========

.. index:: FlatTopPeak

Description
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A flat top peak function is defined as:

.. math:: y = scale * (erfc((centre - 0.5 * width - x) / endGrad) - erfc((centre + 0.5 * width - x) / endGrad)) + background

.. image:: ../../images/FlatTopPeakFnExample.png
    :width: 600px
    :align: center
    :height: 450px

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