v0.11.0

ControlSystems v0.11.0

Diff since v0.10.1

Closed issues:

• Issues with struct_ctrb_obsv and sminreal (#409)
• c2d does not maintain type (#441)
• Input/output format of lsim (#469)
• Numerical stability issue with ss->zpk conversion? (#475)
• tf with symbolics does not print correctly (#503)
• Maybe a mistake to suggest using im for variable (#515)
• Error with minreal (#545)
• gangofseven bug (#546)
• Drop method = _issmooth(u) ? :foh : :zoh from lsim? (#558)

Merged pull requests:

• add controller function (#512) (@baggepinnen)
• more abstract statespaces (#521) (@baggepinnen)
• Return a result structure from lsim (#529) (@baggepinnen)
• return similarity transform from balreal (#530) (@baggepinnen)
• Move plot globals to runtests (#531) (@albheim)
• remove incorrect warning in pzmap (#535) (@baggepinnen)
• change formatting in dampreport (#536) (@baggepinnen)
• support hz keyword in sigmaplot similar to bodeplot (#537) (@baggepinnen)
• add additive identity element for statespace and TF (#538) (@baggepinnen)
• bugfix for negative real pole in damp (#539) (@baggepinnen)
• Fix struct_ctrb_obsv (#540) (@baggepinnen)
• Yet another fix for struct_ctrb_states (#541) (@baggepinnen)
• optional epsilon in dcgain (#548) (@baggepinnen)
• bugfix: use correct type for saving dde solutions (#549) (@olof3)
• bugfix dcgain (#551) (@baggepinnen)
• correct type of initial state in step (#553) (@baggepinnen)
• remove version checks (#555) (@albheim)
• write struct_ctrb_states in terms of iszero instead of == 0 (#557) (@baggepinnen)
• remove issmooth (#561) (@baggepinnen)
• pole->poles tzero->tzeros (#562) (@baggepinnen)
• remove LQG (#564) (@baggepinnen)
• Dev (#565) (@baggepinnen)
• Releasenotes (#566) (@baggepinnen)
• filter one more line after warning (#567) (@baggepinnen)
• Doctestfix (#568) (@baggepinnen)
• Bump version (#569) (@baggepinnen)