Changeset 926 in Sophya for trunk/SophyaLib/HiStats/histos2.h
- Timestamp:
- Apr 13, 2000, 8:39:39 PM (25 years ago)
- File:
-
- 1 edited
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trunk/SophyaLib/HiStats/histos2.h
r920 r926 22 22 class GeneralFit; 23 23 24 25 /*! 26 \class SOPHYA::Histo2D 27 \ingroup HiStats 28 Classe d'histogrammes 2D 29 \verbatim 30 Remarque sur les indices: 31 H(i,j) -> i = coord x (0<i<nx), j = coord y (0<j<ny) 32 v(ii,jj) -> ii = ligne (0<i<NRows()), jj = colonne (0<i<NCol()) 33 On fait une correspondance directe i<->ii et j<->jj 34 ce qui, en representation classique des histos2D et des matrices 35 entraine une inversion x<->y cad une symetrie / diagonale principale 36 H(0,...) represente ^ mais v(0,...) represente 37 |x....... |xxxxxxxx| 38 |x....... |........| 39 |x....... |........| 40 |x....... |........| 41 |x....... |........| 42 ---------> 43 colonne no 1 ligne no 1 44 \endverbatim 45 */ 24 //! 2 dimensions histograms 46 25 class Histo2D : public AnyDataObj { 47 26 friend class ObjFileIO<Histo2D>;
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