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Title: fix return shape for place_acker (#1190) by murrayrm · Pull Request #1195 · python-control/python-control · GitHub

Open Graph Title: fix return shape for place_acker (#1190) by murrayrm · Pull Request #1195 · python-control/python-control

X Title: fix return shape for place_acker (#1190) by murrayrm · Pull Request #1195 · python-control/python-control

Description: Add unit tests to catch the bug in #1190 and fix it. Thanks to @miroslavfikar for pointing out the error.

Open Graph Description: Add unit tests to catch the bug in #1190 and fix it. Thanks to @miroslavfikar for pointing out the error.

X Description: Add unit tests to catch the bug in #1190 and fix it. Thanks to @miroslavfikar for pointing out the error.

Opengraph URL: https://github.com/python-control/python-control/pull/1195

X: @github

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fix return shape for place_acker (https://github.com/python-control/python-control/pull/1195/commits/3215681a496615cf72d6e6cf3ef6593abda35756
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Jan 19, 2026https://github.com/python-control/python-control/pull/1195#event-22129323919
bug in place_acker #1190 https://github.com/python-control/python-control/issues/1190
bug in place_acker #1190 https://github.com/python-control/python-control/issues/1190
BugFix: place_acker output should be 2D array #1181 https://github.com/python-control/python-control/pull/1181
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add mark for slycot in unit testhttps://github.com/python-control/python-control/pull/1195/commits/8c71d6ef964cb59765c10574dadb67a63c12b906
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fix deprecated NumPy issues that were causing CI errorshttps://github.com/python-control/python-control/pull/1195/commits/cde5cbfc750eee9e6d8ac0b60d2bb1b4da05c587
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