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Title: rootlocus_pid_designer plot looks strange + needs documentation · Issue #686 · python-control/python-control · GitHub

Open Graph Title: rootlocus_pid_designer plot looks strange + needs documentation · Issue #686 · python-control/python-control

X Title: rootlocus_pid_designer plot looks strange + needs documentation · Issue #686 · python-control/python-control

Description: From PR #684: If I use the following code (from the now skipped unit test in control/tests/rootlocus_test.py: syscont = ct.TransferFunction(1,[1, 3, 0]) ct.rootlocus_pid_designer(syscont, input_signal='r', Kp0=0.01, derivative_in_feedbac...

Open Graph Description: From PR #684: If I use the following code (from the now skipped unit test in control/tests/rootlocus_test.py: syscont = ct.TransferFunction(1,[1, 3, 0]) ct.rootlocus_pid_designer(syscont, input_sig...

X Description: From PR #684: If I use the following code (from the now skipped unit test in control/tests/rootlocus_test.py: syscont = ct.TransferFunction(1,[1, 3, 0]) ct.rootlocus_pid_designer(syscont, input_sig...

Opengraph URL: https://github.com/python-control/python-control/issues/686

X: @github

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og:image:altFrom PR #684: If I use the following code (from the now skipped unit test in control/tests/rootlocus_test.py: syscont = ct.TransferFunction(1,[1, 3, 0]) ct.rootlocus_pid_designer(syscont, input_sig...
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#883https://github.com/python-control/python-control/pull/883
rootlocus_pid_designer plot looks strange + needs documentationhttps://github.com/python-control/python-control/issues/686#top
#883https://github.com/python-control/python-control/pull/883
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on Dec 31, 2021https://github.com/python-control/python-control/issues/686#issue-1091622900
#684https://github.com/python-control/python-control/pull/684
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