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Hi Preston,
Thanks so much of your attention and help. It certainly so much to learn
and hope you could advise me coding to put in the signal line for the written code( Stochastic ).
Thanks again for your help.
Regards
Colin
----- Original Message -----
From: pumrysh
To: equismetastock@xxxxxxxxxxxxxxx
Sent: Thursday, August 23, 2007 1:02 AM
Subject: Re: [EquisMetaStock Group] indicator...Division by zero
Colin,
Lionel makes some excellent points here.
In looking at your formula I see some things that are very confusing.
Look at this line:
Mov((Mov((((CLOSE-LLV(L,Per1))/(HHV(H,Per1)-LLV(L,Per1)))
*100),Per2,S)),Per3,S)
The second moving average argument has 4 "(" after it. One is
usually enough. Lionel's statement about a seperate calculation is
most appropriate here! By doing this you can eliminate the extra use
of "( )" and save yourself some confusion in the process.
Let me also address another potential problem...the division by zero
error.
Yesterday the question was asked about the problem and the solution
was to use a MAX argument to solve the problem. I tried your formula
and did not get the error. If you are getting the error then I would
guess that it is coming from a stray parenthesis mark that is in the
wrong place...again this supports Lionel's suggestion.
Lets rewrite your formula and use:
Numerator/Max(Denominator,.0000001)
to see if we can remove your errors. We will also clean up the
formula a bit to see if we can eliminate any confusion. Like this:
Per1:=Input("length of stoch",1,100,14);
Per2:=Input("length of ma1",1,100,3);
Per3:=Input("length of ma2",1,100,3);
Numer:=Close - LLV(Low,per1);
Denom:=HHV(High,per1) - LLV(Low,per1);
Sto:=(Numer/Max(Denom,.0000001))*100;
Mov(Mov(Sto,Per2,S),Per3,S);{end}
See if that doesn't solve your problem.
Hope this helps,
Preston
--- In equismetastock@xxxxxxxxxxxxxxx, "Lionel Issen" <lissen@xxx>
wrote:
>
> Try calculating the divisor separately Like this
>
> D=(HHV(H,Per1)-LLV(L,Per1)))*100),Per2,S)),Per3,S)
>
> And put in a requirement that D is greater than some small number.
>
>
>
> Another problem is that Metastock uses single precision
arithmetic. This
> means that your calculations will be inherently inaccurate as you
are
> dealing with small differences of large numbers. Try a simpler
indicator or
> do it in Excel.
>
>
>
> Metastock's very weak excuse is that they do this to save disk
space. This
> may have been true in the past, but with multi gig hard drives
selling for
> less that fifty cents a gig, this argument is specious.
>
>
>
> Lionel
>
>
>
>
>
> From: equismetastock@xxxxxxxxxxxxxxx
[mailto:equismetastock@xxxxxxxxxxxxxxx]
> On Behalf Of Colin
> Sent: Wednesday, August 22, 2007 8:07 AM
> To: equismetastock@xxxxxxxxxxxxxxx
> Subject: [EquisMetaStock Group] indicator
>
>
>
> Hi,
> Can someone help me with this indicator.Many thanks in advance.
> The parameter I'm using is 5,5,5 and everytime when plotted in the
chart
> it prompt me ( the following math errors occurred during the
calculation of
> slow stoch, Divivion by zero.)
> Slow Stochastic %D
>
> Per1:=Input("length of stoch",1,100,14);
> Per2:=Input("length of ma1",1,100,3);
> Per3:=Input("length of ma2",1,100,3);
> Mov((Mov((((CLOSE-LLV(L,Per1))/(HHV(H,Per1)-LLV(L,Per1)))
*100),Per2,S)),Per3
> ,S)
>
> Thanks for your attention.
>
> Best regards,
>
> Colin Chan
>
> [Non-text portions of this message have been removed]
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
[Non-text portions of this message have been removed]
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