[amibroker] How to use array data in an indicator that requires scalar input?

["Joe" <j0etr4der@xxxxxxxxx>]

Hello,

I have a profit stop based on the basic looping technique shown "Back
testing your trading ideas".  To that code I've added a switch to
disable the stop when there is at strong uptrend, like this:

ADXprofitperiod = 3;//Optimize( "APP", 3, 2, 14, 1 );
NoProfitTrigger = ( PDI( ADXprofitperiod ) > MDI( ADXprofitperiod ) 
AND PDI( ADXprofitperiod ) > ADX( ADXprofitperiod ) );

While NoProfitTrigger is True, the profit stop is ignored. It doesn't
create a big gain, but UPI, for instance, is improved 4 - 6%.

I would like to explore whether having ADXprofitperiod vary by the ROC
or LinRegSlope of the Close would enhance the results over using a
fixed period for all trades. Of course I get an out of range error if
I try to use:
ADXprofitperiod = ROC( Close, 7 );
ADXprofitperiod = 3;//Optimize( "APP", 3, 2, 14, 1 );
NoProfitTrigger = ( PDI( ADXprofitperiod ) > MDI( ADXprofitperiod ) 
AND PDI( ADXprofitperiod ) > ADX( ADXprofitperiod ) );

I tried the following, 

ADXprofitperiod = ROC( Close, 7 );

...start of loop code...
for(...
{
NoProfitTrigger = ( PDI( ADXprofitperiod[i]) > 
MDI( ADXprofitperiod[i] ) AND PDI( ADXprofitperiod[i] ) > 
ADX( ADXprofitperiod[i] ) );

//test for profitstop and NoProfitTrigger
}
...end of loop code...

but using the MDI/PDI/ADX indicators in the loop caused execution to
grind to a halt. Well, that's my assumption, there was no error
message - I had to use Task Manager to shut down AB.


Any ideas gratefully accepted.

Thanks,

Joe






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