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Hi MIke:
Thanks for your correction. my basic idea is to suppose i have a buy signal; that buy signal's bar has to be of higher value that the last bar where anothe rbuy signal occured.
suppose for example i want to buy on pivot low signal,but i want to add a codnition to it that if this pivot is of higer value than the last pivot low that occured;
this way i would know if the stock is in short trend or not...as tredning stocks should create higer pivotlows in itsd way up....
so, i want to refence the last pivotlow
like we refer last clsoing pice as C>ref(c,-1) how it could be done for pivotlow Pivotlow>last pivotlow....
Any idea would be aprreciated and thanks in advance for you help.
Regards,
Shahariar
--- In amibroker@xxxxxxxxxxxxxxx, "Mike" <sfclimbers@xxx> wrote:
>
> Your logic is flawed. Cond3 can never be true.
>
> Note that Cross returns 1 or 0. So, there are 3 possible scenarios for any two sequential Cond1 values x,y where x is the previous bar value and y is the current bar value:
>
> 0, 0 zero followed by a zero (no recent cross)
> 0, 1 zero followed by a one (cross = true on current bar)
> 1, 0 one followed by a zero (cross = true on previous bar)
> 1, 1 (not possible since cross cannot happen twice in a row)
>
> Now look at your Ref statement, Ref(Cond1, Cond1 - 1), for each scenario:
>
> 0, 0 -> Ref(Cond1, 0 - 1) gives previous bar value of 0
> 0, 1 -> Ref(Cond1, 1 - 1) gives current bar value of 1
> 1, 0 -> Ref(Cond1, 0 - 1) gives previous bar value of 1
>
> And your final logic of Cond1 > Ref(Cond1, Cond1 - 1)
>
> 0, 0 -> 0 : 0 not greater than 0
> 0, 1 -> 1 : 1 not greater than 1
> 1, 0 -> 1 : 0 not greater than 1
>
>
> Mike
>
> --- In amibroker@xxxxxxxxxxxxxxx, "shahariar4" <shahariar4@> wrote:
> >
> > Hi, All Memebrs,
> >
> > Some little help in needed for the following idea.
> >
> > I have tried a code as follows but it does not show any result or arrow...what am i making wrong?
> >
> > Buy= when cond1 occurs and this cond1 has to be of higer value than the last cond1
> >
> >
> > Cond1=Cross( ZLTyp, ZLHa );
> > Cond2=Cross( ZLHa, ZLTyp );
> > Cond3= Cond1> Ref(Cond1,Cond1 -1);
> >
> >
> > Buy=IsTrue(Cond1 AND Cond3);
> >
> >
> > // Suppose i am using a pivotlow as my buy signal, if the pivotlow my scan ditercts during scan, that pivotlow has to be at higer position than the previous pivotlow; so as like finding an uptrend with pivots........
> >
>
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