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Sell
= 1 ; tradeprofit = -1;
<FONT face=Verdana color=#800000
size=2>?
<FONT face=Tahoma
size=2>-----Original Message-----From: mik954
[mailto:mik-u@xxxx]Sent: mardi 23 avril 2002
18:15To: amibroker@xxxxxxxxxxxxxxxSubject: [amibroker]
Re: Declare variable for future use: It doesn't
work.Waz,You are right. I've tried it. It
doesn't work.Thanks,Mike--- In amibroker@xxxx, "Listes
trading" <listes.trading@xxxx> wrote:> May be you need to
initialise your variable before using it. Try:> Buy = Sell =
tradeProfit=0;> Buy = longEntry and ValueWhen(Sell, tradeProfit) <
0);> Sell = LongExit;> tradeProfit = ValueWhen(Sell, SellPrice)
- ValueWhen(Buy, BuyPrice);> > Waz> >
-----Original Message-----> From: mik954 [mailto:mik-u@xxxx]>
Sent: mardi 23 avril 2002 15:51> To: amibroker@xxxx> Subject:
[amibroker] Re: Declare variable for future use: Left/Right side
of> the formula> > > Tomasz,>
> Thank you for the links describing AFL arrays.>
> But I still don't know how I can benefit from AMA/AMA2
functions to> fix my problem.>
> The problem is how to obtain a value from an array using
ValueWhen()> function (on the right side of the
formula) before setting/defining> this array on the
left side of the formala.> > In Excel I don't need
to declare any rows/columns: they are all> predefined.
Therefore I can use any new row/column on the left and>
right side of the formula at any time.> > As I
understand in AFL I CANNOT use an array on the right side of
the> formula before using it on the left side.. That's
my PROBLEM.> > A simle fix would be using some kind
of declaration (var for example,> like in VB/JS Script)
to allow using of array on the right side of> the
formula.> > Thanks,> Mike>
> > > > > --- In
amibroker@xxxx, "Tomasz Janeczko" <amibroker@xxxx>
wrote:> > Mike,>
>> > There are numerous possibilities to reference
previous value of the> indicator or any
array.> > Please check out <A
href="">http://www.amibroker.net/boards/viewtopic.php?t=81>
for the details.> >> > Best
regards,> > Tomasz Janeczko> >
amibroker.com> > ----- Original Message
-----> > From: "mik954"
<mik-u@xxxx>> > To:
<amibroker@xxxx>> > Sent: Tuesday, April 23, 2002
2:15 AM> > Subject: [amibroker] Re: Declare variable for
future use: No way in> AFL?>
>> >> > >
Tomasz,> > >> > > You mean
that I cannot use REF() function to get a previous>
element> > > of an ARRAY mentioned later in the
code?> > >> > > So in AFL
there is no way to use a previous value of a variable>
to> > > define its new value? What a disappointment.
Is there any> workaround?> >
>> > > Thanks,> > >
Mike> > >> >
>> > > --- In amibroker@xxxx, "Tomasz Janeczko"
<amibroker@xxxx> wrote:> > > >
Mike,> > > >> > > >
No, AFL operates on entire arrays and it uses only
single-pass> to> > > process
all bars.> > > > So if you assign a value later in
your code it will have no> effect> >
> on any lines that appeared> > > >
before.> > > >> > > >
Best regards,> > > > Tomasz
Janeczko> > > > amibroker.com>
> > > ----- Original Message -----> > >>
From: "mik954" <mik-u@xxxx>> > > > To:
<amibroker@xxxx>> > > > Sent: Monday, April
22, 2002 6:13 PM> > > > Subject: [amibroker]
Declare variable for future use (was TJ:> > >
Actual trade profit vs. Theoretical)> > >
>> > > >> > > >
> Hi, all!> > > > >> >
> > > Well, so far no any response on my initial post (even
on> direct e-> > > > > mail
to support@xxxx). It's weird. Maybe my question wasn't>
> > > > clear, or Tomasz was too busy.> >
> > >> > > > > OK, let me ask in a
different way. Is there any way in AFL to> > >
declare> > > > > variable/array and use its
previos value before setting> current>
> > one?> > > > >>
> > > > I mean:> > > >
>> > > > > // var tradeProfit; // declare
variable for future use> > > >
>> > > > > Buy = longEntry and
ValueWhen(Sell, tradeProfit) < 0;> > > > >
Sell = LongExit;> > > > >>
> > > > tradeProfit = ValueWhen(Sell, SellPrice) -
ValueWhen(Buy,> > > BuyPrice);>
> > > >> > > >
>> > > > > Any suggestions are
welcome.> > > > >> >>
> > Thanks,> > > > >
Mike> > > > >> > >
> >> > >> >
>> > >> >
>> > >> >
>> > > Your use of Yahoo! Groups is subject
to> <A
href="">http://docs.yahoo.com/info/terms/>
> >> > >> > >>
> > Your use of Yahoo! Groups is subject to the
Yahoo! Terms of Service.Your use of Yahoo! Groups is
subject to the Yahoo! Termsof
Service.
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