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Tomasz,
As I see
A1=Ref(A0,-1);
A2=Ref(A0,-2);
etc
which, in last analysis, is array A0 and nothing more.
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
wrote:
> Repetitive Statements with FOR (?)Ken,
>
> In your example: A0 is an ARRAY variable, A1 is another
(independent) ARRAY variable and so
> on. So you have N array variables with different names.
>
> A[i] is not the same as Ai.
> A[i] is i-th element of A array variable.
> Ai is the (array) variable that has the name of Ai
>
> On the other hand you can no create variable names dynamically like
A+i = ..something
>
> You could simplify the code by declaring a function:
>
> function mycolor( array, shift )
> {
> array = Ref( array, shift );
> color = IIf( array<3,colorRed,array > 3 AND array
<5,colorYellow,colorGreen);
>
> return color;
> }
>
> and then just write:
> A1 = mycolor( Tot, -1 );
> A2 = mycolor( Tot, -2 );
> A3 = mycolor( Tot, -3 );
> A4 = mycolor( Tot, -4 );
> A5 = mycolor( Tot, -5 );
>
> You would be able to wrap it up in a loop if you could declare
multi-dimensional arrays but you can't do this right now
> (unless you use JScript or VBScript)
>
> Please describe your high-level goal.
>
> Quote from "how to ask questions the smart way":
>
> "If you are trying to find out how to do something,begin by
describing the goal. Only then describe the particular step towards
it that you are blocked on.
> Often, people who need technical help have a high-level goal in
mind and get stuck on what they think is one particular path towards
the goal. They come for help with the step, but don't realize that
the path is wrong. It can take a lot of effort to get past this."
>
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: Ken Close
> To: AmiBroker List
> Sent: Tuesday, November 11, 2003 4:33 AM
> Subject: [amibroker] Repetitive Statements with FOR (?)
>
>
> As I venture into the land of more "pure" programming constructs,
I stumble. Any help?
>
> I have a complex series of variables calculating values for
today, yesterday, up to Ref(xx,-20)
>
> Instead of
>
> A0 = IIf(Tot<3,colorRed,IIf(Tot>3 AND
Tot<5,colorYellow,colorGreen);
>
> A1 = IIf(Ref(Tot,-1)<3,colorRed,IIf(Ref(Tot,-1)>3 AND Ref(Tot,-1)
<5,colorYellow,colorGreen);
>
> A2 = IIf(Ref(Tot,-2)<3,colorRed,IIf(Ref(Tot,-2)>3 AND Ref(Tot,-2)
<5,colorYellow,colorGreen);
>
> And repeat this 19 times, back 19 days;
>
> I wanted to try and use a For loop, and tried the following. But
I get all sorts of error messages, the most frequent of which
is "Type Mismatch, number expected but array found."
>
>
>
> for(i=0; i>19; i++)
>
> {
>
> A[i]=IIf(Ref(Tot,-i)<3,colorRed,IIf(Ref(Tot,-i)>3 AND Ref(Tot,-i)
<5,colorYellow,colorGreen);
>
> }
>
> I tried A+I and that did not work either
>
> "Error 3.
>
> Condition in IF, WHILE, FOR statements
>
> has to be Numeric or Boolean type.
>
> You can not use array here,
>
> please use [] (array subscript operator)
>
> to access array elements"
>
> The "A"s are arrays, so the A[i] seemed like the right way to go,
but then the Type Mismatch.
>
> I know the answer is probably simple, but I can not see it.
>
> Help?
>
> Ken
>
>
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