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.. _PF-PK-WL-intro:

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Introduction
============

PK-WL produces tomographic angular power spectra (Cl) and noise power spectra
(Nl) estimates for position-position, position-shear, and shear-shear.  PK-WL
also produces the mixing matrix for modelling the partial observation of the
sky.

The estimates are obtained from the same input products and using a similar
methodology; therefore, they all share the same running parameters, and are
collected in a single output product.

Product relationships for estimates:

.. image:: DPDD-PKWLEstimate2D.png

Product relationships for mixing matrices:

.. image:: DPDD-PKWLMixingMatrix2D.png

The catalogue and mask input products are the outputs of CATRED and VMPZ-ID,
respectively.

Input products

* :ref:`PKWLParams`

Output products

* :ref:`PKWLEstimate2D`

* :ref:`PKWLMixingMatrix2D`

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