[python-control-developers] [python-control/python-control] ee75d9: DOC: Update NaN case return of StateSpace.dcgain

[Scott C. L. <sli...@cd...>]

  Branch: refs/heads/master
  Home:   https://github.com/python-control/python-control
  Commit: ee75d9aab7f36f565fb3ddb3c9699be6c2084173
      https://github.com/python-control/python-control/commit/ee75d9aab7f36f565fb3ddb3c9699be6c2084173
  Author: Scott C. Livingston <sli...@cd...>
  Date:   2017-01-06 (Fri, 06 Jan 2017)

  Changed paths:
    M control/statesp.py

  Log Message:
  -----------
  DOC: Update NaN case return of StateSpace.dcgain

following changes from commit 310f5805f0fd51aa9e1191aaf3083d483421695d

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