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<FONT face=Arial color=#0000ff
size=2>Tomasz,
<FONT face=Arial color=#0000ff
size=2>
Please
forgive my ignorance but I totally seem to miss the significance of dynamic
variables... Unless you can convince me otherwise I think I would have preferred
to see the introduction of traditional multidimensional tables that can be used
in standard math routines...why is this better or more versatile in the field of
technical analysis? ... I have lots lots of questions:
<FONT face=Arial color=#0000ff
size=2>
1) Can
dynamic variables be used to implement multidimensional random access tables,
like TableA(k,i,j) ?
2) Are
there any limits to the number of dynamic variables we can
create?
3) Can
dynamic variables handle only arrays or also numbers and strings, if so how to
define one or the other?
4) Can
we use multiple 'subscripts' like SetVar("VarA"+i+j+k, somenumber) to simulate
tradional tables?
5) Is
there any way to save them on disk?
6)
Could you give a non-trivial example/application?
<FONT face=Arial color=#0000ff
size=2>
many
thanks for any light you can shed on this!
<FONT face=Arial color=#0000ff
size=2>herman.
<FONT face=Tahoma
size=2>-----Original Message-----From: Tomasz Janeczko
[mailto:amibroker@xxxxxx]Sent: Saturday, July 10, 2004 5:37
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re: [amibroker]
Question on VarSet and VarGet for Tomasz and programming
gurus
Gary,
One example (trivial) application:
instead of writing:
C1 = Ref( C, -1 );<FONT face=Arial
size=2>
C2 = Ref( C, -2 );
C3 = Ref( C, -3 );
C4 = Ref( C, -4 );
C5 = Ref( C, -5 );
C6 = Ref( C, -6 );
C7 = Ref( C, -7 );
C8 = Ref( C, -8
);
C9 = Ref( C, -9 );
You can now write single line that will have the
same effect
for( i = 1; i < 10; i++ ) VarSet( "C"+i, Ref(
C, -i ) );
Best regards,Tomasz Janeczkoamibroker.com
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
<A title=serkhoshian777@xxxxxxxxx
href="">Gary A. Serkhoshian
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Saturday, July 10, 2004 11:17
PM
Subject: [amibroker] Question on VarSet
and VarGet for Tomasz and programming gurus
Tomasz,
For us non-programmers, I get the sense of importance that VarSet
and VarGet offer, but not in the practical sense.
For PT, is there a way to find out which positions are open, what there
positionscores are, etc. using these functions.
I'm sure you have some very practical reasons for offering such
functionality, but I'm not seeing it.
Thanks,
Gary
Tomasz Janeczko <amibroker@xxxxxx> wrote:
<BLOCKQUOTE class=replbq
>Correct
Dimitris. StaticVarSet / StaticVarGet.Best regards,Tomasz
Janeczkoamibroker.com----- Original Message ----- From:
"DIMITRIS TSOKAKIS" <TSOKAKIS@xxxxxxxxx>To:
<amibroker@xxxxxxxxxxxxxxx>Sent: Saturday, July 10, 2004 10:30
AMSubject: [amibroker] Re: Static variables> --- In
amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
> wrote:> > Hello,> > > > I received
the following two questions by support channel> > and thought
that reply may interest more people:> > > >
Q1. What is the difference between
StaticSetVar("x",5); and > x=5;> > >
Tomasz,> I suppose you mean StaticVarSet("x",5).> Dimitris
Tsokakis> > A1: Read me says:> > ** Static variable -
the variable has static duration (it is > allocated when the
program begins and deallocated when the program> > ends)>
> and initializes it to Null unless another value is specified.
> Static variables allow to share values between various
formulas.> > Only NUMBER and STRING static variables are
supported now (not > ARRAYS).> > > > So,
speaking about the difference> > x=5; is regular variable that
"lives" only DURING execution of the > formula.> >
> > StaticSetVar("x",5);> > - gives you an access to
static data storage that REMAINS between > execution of formulas
(as long AmiBroker is running)> > and is accessible from ANY
formula.> > You can call StaticGetVar("x") from a DIFFERENT
formula and you > will get the value set from another
formula.> > > > So Static variables are BOTH
persistent (as long as AmiBroker is > running) and global (in
"wider" scope - between different formulas)> > > >
Static variables can be used instead of external files to store >
values between formula invocations.> > > > >
> -----------> > Q2. Can I access vars that are defined in a
DLL by using > StaticVarGet?> > > > A2: Only if
you create them using StaticVarSet.> > (You can call
StaticVarSet from DLL using gSite.CallFunction)> > > >
> > Best regards,> > Tomasz Janeczko> >
amibroker.com> > > > > Check AmiBroker
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