Use a more recent version of ROOT (eg 4.04/02) where the sigma is forced
to be positive.
Rene Brun
On
Sun, 5 Jun 2005, zaldy wrote:
>
> Dear Root Experts,
>
> Just Wondering why I have negative values of sigma.
>
> Anybody knows the reason? Hint please?
> What is wrong with this?
>
> I attached a root file and the source code to reproduce it.
>
> Using RootVersion Version 3.10/01 28 November 2003
> on gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)
>
> Thanks.
>
Received on Sun Jun 05 2005 - 17:09:04 MEST
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