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tf2ss() does not seem to work for static gains #81
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[-]tf() and tf2ss() do not seem to work for static gains[/-][+]tf2ss() does not seem to work for static gains[/+]on Mar 21, 2016 I just verified this for
tf2ss(using slycot)--definitely looks like a bug. Note that there are two cases that may happen when you calltf2ss, depending on whether slycot is installed. In fixing this bug, it would be good to add tests that test both versions (with and without slycot).The case of static gains when Slycot is installed is now handled, given changes from python-control/Slycot#5, which will be in the next release of Slycot.
fixed in PR #129, changes from which are now in
masterbranch and will appear in the next release.
Creating a state space object of a static gain using tf2ss results in the ValueError: A must be square.
For example: tf2ss([1.],[1.])