Hi, Thanks a lot. I didn't realize it. Kirti. Rene Brun wrote: >Hi Kirti, > >TH1 is the base classes for 1, 2 and 3-d histograms. >TH1::Add works also for 2-d and 3-d histograms > >Rene Brun > >On Tue, 20 Apr 2004, >Kirti Ranjan wrote: > > > >>hi rooters, >> I am relatively new user of ROOT and facing a trivial problem. I need >>to take bin by bin difference of two 2d histograms, but couldn't find >>any simple function like Add used for 1d histo. >> Thanks in advance. >>Kirti. >> >> >> >> >> > > > -- ******************************************************************************** The more exotic, the more abstract the knowledge, the more profound will be its consequences. Kirti Ranjan | Delhi University Group | MS 357, Fermilab | Batavia, ILLINOIS 60510, USA Phone :630-840-3062 (Off) | 630-840-3449 (res) *********************************************************************************
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