While you're at it, you might want to consider declaring variables used within
the function as local so that they do not inadvertently overwrite global
variables.
e.g.
function Fast_EMA( period ) {
local i;
local EMA_fast;
...
}
Mike
--- In [email protected], "Markus Witzler" <funny...@...> wrote:
>
> Thanks, Mike!
>
>
> ----- Original Message -----
> From: Mike
> To: [email protected]
> Sent: Thursday, November 19, 2009 8:26 PM
> Subject: [amibroker] Re: Referencing values of a function and optimizing it
>
>
>
> If you want to reference an element, within the resulting array, outside of
> the function, then simply assign the result to a variable first.
>
> fast = fast_EMA(period);
> value = fast[i]; // where i is the desired element index
>
> And yes, your usage of Optimize is correct.
>
> Mike
>
> --- In [email protected], "Markus Witzler" <funnybiz@> wrote:
> >
> > Hello,
> >
> > I designed the following function which creates an exponential moving
> average:
> >
> > function Fast_EMA( period )
> > {
> > EMA_fast[ 0 ] = close[ 0 ]; seed value is being set
> >
> > for( i = 1; i < BarCount; i++ )
> > {
> > EMA_fast[ i ] =EMA_fast[i-1]+(close[i]-EMA_fast[i-1])*2/(period+1);
> > }
> >
> > return EMA_fast;
> > }
> >
> >
> > Now, when I later want to reference a value of the function, do I use
> this: EMA_fast[i]
> >
> > And when want to optimize the length of my exp. moving average, do I use
> this:
> >
> > period=Optimize ("Fast EMA length", 50, 10, 150, 10);
> >
> > fast_EMA( period );
> >
> >
> > Thanks for clarifying
> >
> > Markus
> >
>
>
>
>
>
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> database 4623 (20091119) __________
>
> The message was checked by ESET Smart Security.
>
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>
