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try this
temp = C<Ref(L,-6) AND vary<6;
varx = temp AND NOT Ref(temp ,-6);
--
Cheers
Graham Kav
AFL Writing Service
http://www.aflwriting.com
2008/9/18 gp_sydney <gp.investment@xxxxxxxxx>:
> No, you can't do that as the right-hand expression is evaluated on the
> whole array before anything is assigned to the left-hand variable.
> That means that "varx" is effectively constant during the expression
> evaluation for the whole array. It's essentially the same as:
>
> temp = IIf(C<Ref(L,-6) AND vary<6 AND NOT Ref(varx,-6),True,False);
> varx = temp;
>
> To do what you are suggesting would require a loop.
>
> Regards,
> GP
>
>
> --- In amibroker@xxxxxxxxxxxxxxx, "sidhartha70" <sidhartha70@xxx> wrote:
>>
>> Hi All,
>>
>> Is it possible to have recursive boolean expressions...? i.e. the true
>> or false of the current value of the array depends on whether a
>> previous value of the array is true or false.
>>
>> So for example,
>>
>> varx = IIf(C<Ref(L,-6) AND vary<6 AND NOT Ref(varx,-6),True,False);
>>
>> Would that work... or are recursive booleans like this not allowed??
>>
>> TIA
>>
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