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Re: [Gnucap-devel] ELEMENT interface question

From: Rupert Swarbrick
Subject: Re: [Gnucap-devel] ELEMENT interface question
Date: Tue, 20 Nov 2012 13:17:01 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

Felix Salfelder <address@hidden> writes:
> Hi Al, hi list.
> my impression is that ELEMENTs are intended to be stateless, at least
> apart from minimal simulation specific data (times, matrix entries, some
> history).
> three examples for behavioural models need to store extra data. a switch
> needs to know its state and switch time, the controlled oscillator needs
> to know its phase, and IR-filters need to stash their history.
> currently, this is crudely worked around in the filters, and appearantly
> a bug in the oscillator (bm_switch doesn't exist yet).

Another example is anything electromechanical, like a relay. They have a
positive minimum switching time, which could be modelled by an actual
"switch position"


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