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Re: [python-control-discuss] Any reason for the behavior of matlab.initial ?
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From: Richard M. <mu...@cd...> - 2014-07-02 11:19:04
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Agree that the current wording doesn't make sense; presumably just copied over from 'step' or 'impulse'. It *might* be worth leaving the input parameter in place just so that you can change 'step' to 'initial' and not have to redo arguments. But even then the documentation should reflect that fact that the input is ignored. -richard On 2 Jul 2014, at 0:27 , Rene van Paassen <ren...@gm...> wrote: > Hi, > > Just had a student confused with the behavior of initial in the module control.matlab. Looking at the help: > > initial(sys, T=None, X0=0.0, input=0, output=0, **keywords) > Initial condition response of a linear system > > If the system has multiple inputs or outputs (MIMO), one input and one > output have to be selected for the simulation. The parameters `input` > and `output` do this. All other inputs are set to 0, all other outputs > are ignored. > > I think the part about inputs is complete bull, since they don't play a role in initial condition response. Is there any reason to select only a single output? > > If there are no objections, I will update this one, and make it a bit more in line with the one in Matlab (R) > > Greetings, > > René > > -- > René van Paassen | ______o____/_| Ren...@gm... > <[___\_\_-----< t: +31 15 2628685 > | o' mobile: +31 6 39846891 > > ------------------------------------------------------------------------------ > Open source business process management suite built on Java and Eclipse > Turn processes into business applications with Bonita BPM Community Edition > Quickly connect people, data, and systems into organized workflows > Winner of BOSSIE, CODIE, OW2 and Gartner awards > http://p.sf.net/sfu/Bonitasoft_______________________________________________ > python-control-discuss mailing list > pyt...@li... > https://lists.sourceforge.net/lists/listinfo/python-control-discuss |
