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NLSF External Object script example returns Errors

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[quote][i]Originally posted by Loksley[/i]
[br]Origin Ver. : OriginPro8 Sr4
Operating System: Xp Sp2

Hi everybody!
I tried the example script which is provided with the NLSF External Object help command.
[green][code]nlsf.func$ = ExpDecay2; 
A1 = 10; //initialize parameter values 
t1 = 1; 
x0 = 0; 
y0 = 0; 
nlsf.cleanupfitdata(); 
nlsf.fitdata$ = exp_b; 
nlsf.iterate(20); 
nlsf.xmode = 2; 
nlsf.funcx$ = exp_A; //use as X dataset 
nlsf.funccol$ = exp_Fit; //dataset to store fitted Y values 
nlsf.makecurve(func); //dataset generated for the fitted curve[/code][/green]
I rename the Wks and the column as set in the script.
In a Book1, There is wks.name$=exp, which contains 3 columns: A, B & Fit
But when I run the script it always returns 3 errors and computes nothing:
Error1 : [red]Error ! No �� Column exists. Create it first[/red]
Error2 : [red]Error ! No �exp_A� Column exists. Create it first[/red]
Error3 : [red]Error ! Parameter(s) A2, t2 is(are) not properly[/red] initialized. Check their values.

I�ve check with the [green]DLL �l[/green] command that the NLSF external object was listed. It� s OK.

Any ideas why I get these errors and why the script isn�t executed properly?

[/quote]

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T O P I C R E V I E W
Loksley	Posted - 03/29/2009 : 05:10:12 AM Origin Ver. : OriginPro8 Sr4 Operating System: Xp Sp2 Hi everybody! I tried the example script which is provided with the NLSF External Object help command. nlsf.func$ = ExpDecay2; A1 = 10; //initialize parameter values t1 = 1; x0 = 0; y0 = 0; nlsf.cleanupfitdata(); nlsf.fitdata$ = exp_b; nlsf.iterate(20); nlsf.xmode = 2; nlsf.funcx$ = exp_A; //use as X dataset nlsf.funccol$ = exp_Fit; //dataset to store fitted Y values nlsf.makecurve(func); //dataset generated for the fitted curve I rename the Wks and the column as set in the script. In a Book1, There is wks.name$=exp, which contains 3 columns: A, B & Fit But when I run the script it always returns 3 errors and computes nothing: Error1 : Error ! No �� Column exists. Create it first Error2 : Error ! No �exp_A� Column exists. Create it first Error3 : Error ! Parameter(s) A2, t2 is(are) not properly initialized. Check their values. I�ve check with the DLL �l command that the NLSF external object was listed. It� s OK. Any ideas why I get these errors and why the script isn�t executed properly?
2 L A T E S T R E P L I E S (Newest First)
Loksley	Posted - 04/07/2009 : 12:54:37 PM Thanks Greg for answering. But it doesn�t work that much! At least It suppress one error for an another: In a workbook : exp Two Sheet : Sheet1 and Sheet2 (active) In the active sheet : Col(1) : A 1024points from 1 to 200 Col(2) : B simulated curve with ExpDecay2 function : Parameters for the simulated curve are: y0=1 ; x0=10 ; A1=100 ; t1= 5; A2=40 ; t2=50 ; + 2% noise. First point: it seams that some parameters initialization A2, t2 are missing! I run the following script: nlsf.func$ = ExpDecay2; A1 = 120; x0 =12; y0 = 2; ; A2=43; t1=7; t2=52; nlsf.cleanupfitdata(); nlsf.fitdata$ = exp_b; nlsf.iterate(40); nlsf.xmode = 2; nlsf.funcx$ = exp_A; nlsf.funccol$ = exp_Fit; nlsf.makecurve(func); And I get the following error : Error ! Too few data points, or the data step is too big ??? And the script exits without computing anything. Someone understand what is wrong?
greg	Posted - 03/29/2009 : 10:32:09 AM In versions prior to 8, the Worksheet name was synonymous with the Page/Window name. For backwards compatibilty it is still true that dataset names consist of Page/WindowName_ColumnName. For single sheet workbooks there should be no compatability issues. The mechanism introduced in v5.0 for addressing Excel sheets is used for worksheets in v8 : Page/WindowName_ColumnName@SheetNumber - where 1 is not needed for the first sheet. So just rename your Workbook (the Page name) 'exp' and your script will work.

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