Hello Mike, I didn´t even consider that this would be "necessary".
Thanks for the additional clue to avoid problems! Markus ----- Original Message ----- From: Mike To: [email protected] Sent: Thursday, November 19, 2009 9:38 PM Subject: [amibroker] Re: Referencing values of a function and optimizing it 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 > > > > > > > > __________ Information from ESET Smart Security, version of virus signature database 4623 (20091119) __________ > > The message was checked by ESET Smart Security. > > http://www.eset.com > __________ Information from ESET Smart Security, version of virus signature database 4623 (20091119) __________ The message was checked by ESET Smart Security. http://www.eset.com
