.. LFSM.spectral_index:

.. currentmodule:: ULSA.spectral_index_fitting

:mod:`spectral_index_fitting` -- Calculating spectral index in different condition
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A constant spectral index model
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.. toctree::
   :maxdepth: 2

   spectral_index_analysis_for_constant

A spatial-variance spectral index model
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.. toctree::
   :maxdepth: 2

   spectral_direction
A frequency dependent spectral index model
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.. toctree::
   :maxdepth: 2

   spectral_freq