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Looks like only the last assignment counts, Dimitris.
Try
----
Buy = IIf(Cum(1)%20,0,1);
Buy = IIf(Cum(1)%42,0,1);
----
On the other hand, there's always the chance that
----
Buy = IIf(Cum(1)%20,0,1);
Do_it_now_Dammit;
Buy = IIf(Cum(1)%42,0,1);
----
could trigger buys every 20 days as well as every 42 days.
Regards,
Bob
-----Original Message-----
From: DIMITRIS TSOKAKIS [mailto:TSOKAKIS@xxxxxxxxx]
Sent: Monday, May 05, 2003 10:18 AM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Re: Syntax Question
> -----Original Message-----
> From: Sam Levy [mailto:slevy1220@x...]
> Sent: Monday, May 05, 2003 8:48 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Syntax Question
>
>
> Is the following correct?:
>
> If I want a buy signal if both of two conditions are true, I would
> code:
>
> buy=cond1 and cond2;
>
> If I want a buy signal if either is true, I would code:
>
> buy=cond1 or cond2;
>
> What is the difference between those and:
>
> buy=cond1;
> buy=cond2;
The main difference is that
buy=cond1 or cond2;
is one-line code and
buy=cond1;
buy=cond2;
is two-line code.
AFL is executed line by line.
So, in the second case you ask
buy=cond1;// buy when cond1 is true
buy=cond2;// buy when cond2 is true
AFL will go to the next statement with the last info : buy=cond2;
Sometimes, this property is useful :
D=5;
M=MA(H,D);
PLOT(M,"",1,1);
D=10;
M=MA(H,D);
PLOT(M,"",2,1);
D=15;
M=MA(H,D);
PLOT(M,"",3,1);
will plot 3 different MAs, although only one is defined, namely M.
On the other side the
D=5;
M=MA(H,D);
D=10;
M=MA(H,D);
D=15;
M=MA(H,D);
PLOT(M,"",1,1);
PLOT(M,"",2,1);
PLOT(M,"",3,1);
will plot 3 MAs identical to MA(H,15)
Dimitris Tsokakis
> I would be grateful if someone would set me straight on this.
>
>
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