scidavis-users

[Scidavis-users] Scidavis unable to correctly open file with formula

[Nolwenn D. <don...@gm...>]

Hello,

I use scidavis on a archlinux system and scidavis come from AUR.

If a scidavis project contains some formulas like :

a0=0.909741706130406
a1=-0.0644426214083297
a2=0.000568159827735912

a0+a1*x+a2*x^2

When I open the file, I get this error message :

linéaireAjustement3:0

Undefined token "; w=3.76759636063011;
A*sqrt(2/PI)/w*exp(-2*((x-146.83)/w)^2)+120.515082928701*sqrt(2/PI)/6.77385219015119*exp(-2*((x-137.37)/6.77385219015119)^2)
" found at position 18.

Unfortunately scidavis erases the fitting curves.

Also, if I try to add a curve to a graph with my example formula, the
error message is :

F5:0

Undefined token "; a1=-0.0644426214083297; a2=0.000568159827735912;
a0+a1*x+a2*x^2 " found at position 20.

Re: [Scidavis-users] Scidavis unable to correctly open file with formula

[Emmanuel <man...@gm...>]

I run scidavis on archlinus too and I get a similar problem with a 
project that does contains a function obtained from a fit.

There is a pop-up window with:

Non-lineaireAjustement1:0

Udefined Token ";R*x " found at position 18.

and scidavis also erases the fitting curves.

Re: [Scidavis-users] Scidavis unable to correctly open file with formula

[Emmanuel <man...@gm...>]

Here is another report, I did on archlinux. After reading again the 
problem of Duwenn, I think it may not be the reason


There is a recent bug, probably linked with the last update(at least it 
was not present in July of 2010), when loading a project with a fitted 
function represented in a graph. The functions are lost.

It gives an error  pop-up window entitled "Input Function error" containing:
NonLinearFit1:0

Undefined token 
";=978.16764340164;t0=23.022..........;x0+0.5*g*(x-t0)^2" found at 
position 21.

With two functions I got an error for each functions! My guess is that 
error may correspond to caracter "=" and "*", that wouldn be parsed well

On 03/02/2011 06:19, Nolwenn DOUCET wrote:
> Hello,
>
> I use scidavis on a archlinux system and scidavis come from AUR.
>
> If a scidavis project contains some formulas like :
>
> a0=0.909741706130406
> a1=-0.0644426214083297
> a2=0.000568159827735912
>
> a0+a1*x+a2*x^2
>
> When I open the file, I get this error message :
>
> linéaireAjustement3:0
>
> Undefined token "; w=3.76759636063011;
> A*sqrt(2/PI)/w*exp(-2*((x-146.83)/w)^2)+120.515082928701*sqrt(2/PI)/6.77385219015119*exp(-2*((x-137.37)/6.77385219015119)^2)
> " found at position 18.
>
> Unfortunately scidavis erases the fitting curves.
>
> Also, if I try to add a curve to a graph with my example formula, the
> error message is :
>
> F5:0
>
> Undefined token "; a1=-0.0644426214083297; a2=0.000568159827735912;
> a0+a1*x+a2*x^2 " found at position 20.
>
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Re: [Scidavis-users] Scidavis unable to correctly open file with formula

[Emmanuel <man...@gm...>]

Is it possible that this problem could be linked to new version on 
archlinux, which is always getting new stuff early?

That problem is really really bad and make scidavis quite unusable.