dubfi.tests.test_inversion_prior_pdf
====================================

.. py:module:: dubfi.tests.test_inversion_prior_pdf

.. autoapi-nested-parse::

   Test implementation of different prior cost functions.

   .. codeauthor:: Valentin Bruch, DWD <valentin.bruch@dwd.de>
   .. versionadded:: 0.1.5



Functions
---------

.. autoapisummary::

   dubfi.tests.test_inversion_prior_pdf.random_posdef
   dubfi.tests.test_inversion_prior_pdf.test_prior_pdf
   dubfi.tests.test_inversion_prior_pdf.test_prior_pdf_sparse_reconstruction


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

.. py:function:: random_posdef(size: int, rng: numpy.random.Generator, offset: float = 1e-06) -> numpy.ndarray

   Generate random, positive definite matrix.


.. py:function:: test_prior_pdf(rng, invertor, b_diag, kwargs, size=20, samples=50)

   Test that derivatives of prior cost function are correct.


.. py:function:: test_prior_pdf_sparse_reconstruction(rng, size=20, samples=50)

   Test that Laplace and sparse reconstruction prior PDF agree.