clophfit.utils
==============

.. py:module:: clophfit.utils

.. autoapi-nested-parse::

   General utility helpers for clophfit.



Functions
---------

.. autoapisummary::

   clophfit.utils.weights_from_sigma


Module Contents
---------------

.. py:function:: weights_from_sigma(sigma)

   Convert standard deviations to ODR weights (1 / sigma**2).

   Returns None when sigma is empty to use odrpack defaults.