[amibroker] Re: functions to take an array as a parameter

["bilbo0211" <bilbod@xxxxxxxxxx>]

--- In amibroker@xxxxxxxxxxxxxxx, "jeffro861" <jeffro861@xxx> wrote:
>
> How to I get RSI() to take an array as an arguement?  Let's say I have 
> a function that I want to use for determining the number of bars RSI() 
> uses (it which changes for every bar).  How do set this up?  

I don't remember where I found this code but I think it does what you
want.


//period is an array

function varPeriodRSI( priceField, period )
{
  Chg = priceField - Ref( priceField, -1 );
  pc = Max( Chg, 0 );
  nc = Max( -Chg, 0 );

  pa = AMA( pc, 1/period );
  na = AMA( nc, 1/period );

  return 100 * pa / ( pa + na );
}



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