[amibroker] Re: help with getting NUMBER from ARRAY

["gerryjoz" <geraldj@xxxxxxxxxx>]

Thanks Dimitris,
It appears i can't avoid having a do loop in some cases.


--- In amibroker@xxxxxxxxxxxxxxx, "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx> 
wrote:
> On the other side, if your index has counting properties, there is 
no 
> problem to use it as a new subscript.
> Example
> x=Cum(1);
> for(i=0;i<BarCount;i++)
> {
> index[i]=x[i]%1000;
> Variable[index[i]]=sqrt(index[i]);
> }
> Plot(Variable,"v",1,1);
> Plot(sqrt(x),"",4,8);
> 
> index[i] will be 0 to 999 and the Variable plot will be the first 
999 
> points of sqrt(x).
> I hope it is clear.
> Dimitris Tsokakis
> --- In amibroker@xxxxxxxxxxxxxxx, "DIMITRIS TSOKAKIS" 
<TSOKAKIS@xxxx> 
> wrote:
> > index value index[i] can not be placed inside the [] because it 
may 
> > be out of range.
> > Your variable[i] may be a function of index[i] in the following 
> sense
> > 
> > array=StochD(); 
> > for(i=0;i<BarCount;i++)
> > {
> > index[i]=array[i]^2;//index is a function of array
> > Variable[i]=sqrt(index[i]);//variable is a function of index
> > }
> > Plot(Variable,"",1,1);
> > Plot(sqrt(StochD()^2),"",4,8);
> > 
> > Dimitris Tsokakis
> > 
> > --- In amibroker@xxxxxxxxxxxxxxx, "gerryjoz" <geraldj@xxxx> wrote:
> > > AFL distinguishes between NUMBER and ARRAY for some functions.
> > > Although there is a selectedvalue function for picking up the 
> > current 
> > > NUMBER value on a chart, i can't see a way to pick the current 
> > NUMBER 
> > > value of an array as AB is iterating through on a backtest 
> (without 
> > a 
> > > do loop?). 
> > > What i want to be able to do is to assign
> > > index=currentValueofArray1;//result to be a number not an array
> > > variable[index]=currentValueOfArray2;
> > > ....And not get an error message that i need to have a NUMBER 
and 
> > not 
> > > an ARRAY.
> > > I would appreciate advice on a way of doing this.
> > > 
> > > 
> > > Regards Gerry



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