Re: [daetools-users] Howto: discrete signal?

[StUstD <st...@gm...>]

Thanks, I'm going to give it a try in a simple test environment. Let you
know the results.

- Henk

On Wed, Mar 7, 2018 at 2:49 PM, Dragan Nikolic <dra...@gm...>
wrote:

> Hi,
>
> Well, it is a bit difficult because of the way the equation-based systems
> are solved numerically but it might work.
>
> If you wish to change a model variable you can use daeModel.ON_CONDITION
> function (have a look on tutorials 5, 14). If iT is a model variable, you
> can put the following in the function DeclareEquations:
>
> self.ON_CONDITION(Time() > iT, switchToStates     = [],
>                                setVariableValues  = [iT, iT+1], # here you
> may need to use self.iT()
>                                triggerEvents      = [],
>                                userDefinedActions = [])
>
> But, you need to be careful here: your condition Time() > iT will be
> triggered EVERY time step once the simulation time becomes greater than iT.
> However, you change it each time the condition is satisfied, so it might
> work. Please check and let me know, I am curious if it works or not.
>
> Cheers
> Dragan
>
>
>
> On 07/03/18 11:45, StUstD wrote:
>
>> How is it possible to create a discrete-time signal, e.g. a counter (in
>> pseudo code):
>>
>> initial Time = 0
>> iT = 1  # counter
>>
>> if Time() > iT:
>> iT += 1
>> endif
>>
>> Thanks.
>>
>>
>>
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>