Re: [ROOT] TTrees and Random

From: Rene Brun (Rene.Brun@cern.ch)
Date: Thu Jul 04 2002 - 21:24:04 MEST


If you like typing, you can try
  tree.Draw("x+rndm"); //add a unform [0,1] number to x
  tree.Draw("x+sin(6.28*rndm)*sqrt(-2*log(rndm))"); //add a gaussian
                           number

Rene Brun

On Thu, 4 Jul 2002, Daniel De Marco wrote:

> * Rene Brun <brun@pcbrun.cern.ch> [04/07/2002 16:02]:
> > You can do something like:
> > tree->Draw("x:(y+rndm)")
> > or
> > tree->Draw("x:(y+3.5*rndm)")
> > where rndm is a built-in keyword to generate a random number
> > in [0,1].
> 
> Thanks a lot!!!
> 
> For gaussian distributed random numbers I do not have any other options
> apart from waiting next release or creating a new tree?
> 
> Bye, Daniel.
> 
> --ddm
> 



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