[python-control-developers] [python-control/python-control] 320d01: Fix zero-input interconnect D matrix shape

[Richard M. <no...@gi...>]

  Branch: refs/heads/main
  Home:   https://github.com/python-control/python-control
  Commit: 320d01a325670e88da0d16aad8f6843577425629
      https://github.com/python-control/python-control/commit/320d01a325670e88da0d16aad8f6843577425629
  Author: marko1olo <bar...@gm...>
  Date:   2026-06-06 (Sat, 06 Jun 2026)

  Changed paths:
    M control/statesp.py
    M control/tests/interconnect_test.py

  Log Message:
  -----------
  Fix zero-input interconnect D matrix shape

Preserve explicitly shaped empty state-space matrices so linearized interconnections with zero inputs and nonzero outputs keep a (noutputs, 0) D matrix.

Co-authored-by: OpenAI Codex <co...@op...>


  Commit: da3bb13c2d339067509176c9c6b31ac2b46c380b
      https://github.com/python-control/python-control/commit/da3bb13c2d339067509176c9c6b31ac2b46c380b
  Author: Richard Murray <mu...@cd...>
  Date:   2026-06-08 (Mon, 08 Jun 2026)

  Changed paths:
    M control/statesp.py
    M control/tests/interconnect_test.py

  Log Message:
  -----------
  Merge pull request #1221 from marko1olo/fix-zero-input-interconnect-dmatrix

Fix zero-input interconnect D matrix shape


Compare: https://github.com/python-control/python-control/compare/146cceeae035...da3bb13c2d33

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