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Documentation for ``guptri_py``
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.. automodule:: guptri_py
   :members:
   :undoc-members:
   :show-inheritance:
   :member-order: bysource

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References
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* `GUPTRI software homepage <GUPTRI_>`_
* B. Kågström. Generalized Non-Hermitian Eigenvalue Problems,
  chpt. 8.7 Singular matrix pencils. 2000.
  https://epubs.siam.org/doi/abs/10.1137/1.9780898719581.ch8
* J. Demmel and B. Kågström. The generalized Schur decomposition of an
  arbitrary pencil `A - λB`. 1993.
  https://dl.acm.org/doi/10.1145/152613.152615
* ``guptri_py`` on `GitHub <guptri_py_gh_>`_
* See also `MatrixPencils.jl <https://github.com/andreasvarga/MatrixPencils.jl>`_
  for similar functionality in Julia.
* See also the Matlab toolbox
  `Matrix Canonical Structure <https://www.umu.se/en/research/projects/stratigraph-and-mcs-toolbox/>`_.