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[amibroker] Re: Easy way of finding MAX or a large list


  • Date: Thu, 21 Jan 2010 23:02:26 -0000
  • From: "Rob" <sidhartha70@xxxxxxxxx>
  • Subject: [amibroker] Re: Easy way of finding MAX or a large list

PureBytes Links

Trading Reference Links

Ok Sorry.

Yes. I have a series of arrays... about 15 of them simply stored in variable names.
I effectively want to do an array operation across all 15 to leave me with one array which will represent the maximum values across the 15 arrays.

--- In amibroker@xxxxxxxxxxxxxxx, Tomasz Janeczko <groups@xxx> wrote:
>
> Hello,
> 
> That is of course **NOT** true when it comes to array variables.
> Array-aware MAX
> 
> x = MAX( array1, array2 );
> 
> is orders of magnitude faster than equivalent
> 
> for( i = 0; i < BarCount; i++ )
>   if( array1[ i ] > array2[ i ] ) x[ i ] = array1[ i ];
>   else x[ i ] = array2[ i ];
> 
> The original poster question was far too general. He did not mention
> if he uses arrays or not and how he defines "the list" of values.
> 
> Best regards,
> Tomasz Janeczko
> amibroker.com
> 
> On 2010-01-21 19:50, Dennis Brown wrote:
> > For a loop, it is much faster to use an if ( var1>  var2 ) { max1 = var1; }
> > The max operator is much slower from my tests.
> >
> > I don't know about configuring it for an array operator.
> >
> > BR,
> > Dennis
> >
> > On Jan 21, 2010, at 12:50 PM, Rob wrote:
> >
> >    
> >> I should have added... I'm trying to find the max value of a large list of variables...
> >>
> >> --- In amibroker@xxxxxxxxxxxxxxx, "Rob"<sidhartha70@>  wrote:
> >>      
> >>> Is there an easy way in AFL to find the maximum value of a large list...?
> >>>
> >>> Is it a case of a for...next loop or nested Max() statements...?
> >>>
> >>> Many Thanks
> >>>
> >>>        
> >>
> >>
> >>
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> >>      
> >
> >
> > ------------------------------------
> >
> > **** IMPORTANT PLEASE READ ****
> > This group is for the discussion between users only.
> > This is *NOT* technical support channel.
> >
> > TO GET TECHNICAL SUPPORT send an e-mail directly to
> > SUPPORT {at} amibroker.com
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> > http://www.amibroker.com/feedback/
> > (submissions sent via other channels won't be considered)
> >
> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> > http://www.amibroker.com/devlog/
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
>




------------------------------------

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This group is for the discussion between users only.
This is *NOT* technical support channel.

TO GET TECHNICAL SUPPORT send an e-mail directly to 
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TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
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