Re: gnuplot manual misprint (no.23)

[<HBB...@t-...>]

Shigeharu TAKENO wrote:
> the following example may have a misprint which was pointed out 
> in Japanese gnuplot BBS by Prof. Tatsuro MATSUOKA. I send the 
> unified diff file for it.
> 
> ----- From here -----
> --- gnuplot.doc~	2007-07-24 11:26:58.000000000 +0900
> +++ gnuplot.doc	2007-07-24 11:27:43.000000000 +0900
> @@ -3694,7 +3694,7 @@
>   a different data set but having a common decay time, estimate the values of
>   the parameters.  If the datafile has the format x:z:s, then
>        f(x,y) = (y==0) ? a*exp(-x/tau) : b*exp(-x/tau)
> -      fit f(x,y) 'datafile' using  1:-1:2:3  via a, b, tau
> +      fit f(x,y) 'datafile' using  1:-2:2:3  via a, b, tau

That's not really a misprint.  As the text above mentions, both -1 and 
-2 can be correct.  It depends on how the data are formatted (separation 
by single or double blank records).