[python-control-developers] [python-control/python-control] 2777de: Fix phase for triv_sigma in examples/robust_mimo.p...

[Ben G. <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/python-control/python-control
  Commit: 2777de3e07099b83da3b9f21c2741107ea784833
      https://github.com/python-control/python-control/commit/2777de3e07099b83da3b9f21c2741107ea784833
  Author: Ben Greiner <co...@bn...>
  Date:   2020-07-10 (Fri, 10 Jul 2020)

  Changed paths:
    M control/frdata.py
    M control/lti.py
    M control/statesp.py
    M control/xferfcn.py
    M examples/robust_mimo.py

  Log Message:
  -----------
  Fix phase for triv_sigma in examples/robust_mimo.py (#428)

* fix issue #406

* more precise docstrings for *.freqresp()