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[amibroker] Re: Loops with a variable counter... possible?



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Actually Howard, it was a good idea, but won't work.
Of course the conditional test in do...while or just 'while' has to be boolean or numeric. Can't be an array.

--- In amibroker@xxxxxxxxxxxxxxx, "sidhartha70" <sidhartha70@xxx> wrote:
>
> Doh!!! It was so obvious that I didn't think about it.
> Should work perfectly.
> 
> Thanks Howard.
> 
> --- In amibroker@xxxxxxxxxxxxxxx, Howard B <howardbandy@> wrote:
> >
> > Greetings --
> > 
> > Can you control the loop the way you want to using While or Do .. While
> > instead of For?
> > 
> > Thanks,
> > Howard
> > 
> > 
> > 
> > On Mon, Aug 31, 2009 at 12:28 PM, Herman <psytek@> wrote:
> > 
> > >
> > >
> > > Not sure but it would seem that if you have a limited number of LookBack
> > > values you could, using another small LookBack-loop, pre-calculate the
> > >
> > > Ref( HHVBars( Array1, LookBack ), -1 )
> > >
> > > arrays outside the loop and store them in dynamic named variables, then
> > > access them inside the loop with subscript.
> > >
> > >
> > > The array function and ref() don't look right inside the loop ;-)
> > >
> > >
> > > that's the best i can come up with.
> > >
> > > herman
> > >
> > >
> > >
> > > Monday, August 31, 2009, 3:01:09 PM, you wrote:
> > >
> > >
> > > > Sorry, forgot to add a line that illustrates the iterative nature of the
> > > loop,
> > >
> > >
> > > > LookBack = 31;
> > >
> > >
> > > > for ( i = 1;i < 50;i++ )
> > >
> > > > {
> > >
> > > > c2_Posn = Ref( HHVBars( Array1, LookBack ), -1 ) + 1;
> > >
> > > > .
> > >
> > > > .
> > >
> > > > .
> > >
> > > > LookBack = c2_posn;
> > >
> > > > }
> > >
> > >
> > > > --- In amibroker@xxxxxxxxxxxxxxx, "sidhartha70" <sidhartha70@> wrote:
> > >
> > >
> > > >> Yes increment. Sorry.
> > >
> > >
> > > >> Ok. Here's some code...
> > >
> > >
> > > >> LookBack = 31;
> > >
> > >
> > > >> for ( i = 1;i < 50;i++ )
> > >
> > > >>     {
> > >
> > > >> c2_Posn = Ref( HHVBars( Array1, LookBack ), -1 ) + 1;
> > >
> > > >>    .
> > >
> > > >>    .
> > >
> > > >>    .
> > >
> > > >>     }
> > >
> > >
> > >
> > > >> Now, what I actually want to do, and tried to do, is instead of the
> > > increment being '50' was to make it equal to,
> > >
> > >
> > > >> Sum( Array_y , LookBack );
> > >
> > >
> > > >> However, that doesn't work. If I can't make the increment variable, i.e.
> > > equal to the value of an array, the other option is to exit the loop when no
> > > more interations are required... Again, this causes a problem because I
> > > can't do something like,
> > >
> > >
> > > >> if ( c2_Posn<4) break;
> > >
> > >
> > > >> Any ideas...?
> > >
> > >
> > >
> > >
> > >
> > >
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