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Title: Updates to balred() and gram() by mdclemen · Pull Request #118 · python-control/python-control · GitHub

Open Graph Title: Updates to balred() and gram() by mdclemen · Pull Request #118 · python-control/python-control

X Title: Updates to balred() and gram() by mdclemen · Pull Request #118 · python-control/python-control

Description: The Python Control Systems Library is a Python module that implements basic operations for analysis and design of feedback control systems. - Updates to balred() and gram() by mdclemen · Pull Request #118 · python-control/python-control

Open Graph Description: balred() now supports "matchdc" and will handle unstable systems and will accept a list of ORDERS, which will return a list of reduced order systems. gram() now does Cholesky factored gra...

X Description: balred() now supports "matchdc" and will handle unstable systems and will accept a list of ORDERS, which will return a list of reduced order systems. gram() now does Cholesky fact...

Opengraph URL: https://github.com/python-control/python-control/pull/118

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balred() now has 'matchdc' option and may handle unstable systems and will accept a list of 'orders'. gram() now does Cholesky factored gramians if desired. Requires slycot routines AB09MD, AB09ND,…https://github.com/python-control/python-control/pull/118/commits/9d840b8468b7e84ac72ac6e2b06267a49bebb43a
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Updated docstring for balred to remove abbreviations and better describe `alpha`. In balred(), if method='truncate' and the system is stable, slycot ab09ab is used, otherwise ab09md is used.https://github.com/python-control/python-control/pull/118/commits/4815cf0d19ebf6d8593b188852f8f872c3a43596
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