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JuliaControl / ControlSystems.jl

A Control Systems Toolbox for Julia
https://juliacontrol.github.io/ControlSystems.jl/stable/
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`sigmaplot` -- possible to just plot largest and smallest singular values? #846

Closed B-LIE closed 1 year ago

B-LIE commented 1 year ago

sigmaplot seems to plot all singular values of a transfer matrix as function of frequency -- at least by default.

Question: Is it possible to plot the maximum and minimum singular values only? These are of interest, e.g., in Loop Transfer Recovery.

baggepinnen commented 1 year ago

I implemented this in #848

baggepinnen commented 1 year ago

A side note, are you aware of the LQGProblem type in RobustAndOptimalControl? It has some built in LTR support as well as some other convenience interfaces