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Dimitris,
See my previous response about recursive functions.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Wednesday, October 15, 2003 2:20 PM
Subject: [amibroker] Re: MA, DEMA and TEMA can take array parameters, but EMA can't?
> The same question for EMA/AMA equivalent.
> The AMA(C,a) will not touch AMA(C,10) when a is variable and a=10.
> I do not think we may speak for equivalence...
>
> x1=10;Plot(EMA(C,x1),"EMA10",1,1);
> x2=20;Plot(EMA(C,x2),"EMA20",1,1);
> a1=2/(x1+1);Plot(AMA(C,a1),"AMA10",4,8);
> a2=2/(x2+1);Plot(AMA(C,a2),"AMA20",4,8);
> x=10+Cum(1)%11;
> a=2/(x+1);
> Plot(AMA(C,a),"AMA",7,1);
>
> Dimitris Tsokakis
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
> wrote:
> > Dave,
> >
> > For variable period exponential smoothing simply use AMA:
> >
> > EMA( array, period_variable ) = >>> AMA( array, 2 / (
> period_variable+1) );
> >
> > http://www.amibroker.com/guide/afl/afl_view.php?name=AMA
> >
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: "Dave Merrill" <dmerrill@xxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Tuesday, October 14, 2003 2:39 PM
> > Subject: [amibroker] MA, DEMA and TEMA can take array parameters,
> but EMA can't?
> >
> >
> > > it appears that you can pass an array, not just a single scalar
> value, as
> > > the range parameter to the built in MA, DEMA and TEMA functions,
> but you
> > > can't for EMA. am I right about this, or is there some other
> problem in my
> > > code?
> > >
> > > if that is true, it's too bad, and I hope this ability will be
> added in the
> > > future, hopefully soon. it's been said before that it would nice
> to use
> > > dynamic (array) parameters with all built in indicators, and
> that's
> > > definitely true, but EMA is a basic building block that I'd think
> personally
> > > was even more important to have.
> > >
> > > thanks,
> > >
> > > dave
> > >
> > >
> > >
> > > Send BUG REPORTS to bugs@xxxx
> > > Send SUGGESTIONS to suggest@xxxx
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> > >
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> > >
> > >
> > >
>
>
>
> Send BUG REPORTS to bugs@xxxxxxxxxxxxx
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