Dear Rene, dear Damir On my PowerBook running LinuxPPC 2000, I have just installed root 3.01/02. When testing the tutorials I found the following problems: 1, Running Event, I get: [christian@book test]$ ./Event ./Event: error in loading shared libraries: ./Event: undefined symbol: Class__5Track 2, Running .x tree4.C, I get: event_not_split = *** Break *** segmentation violation 3, Running .x principal.C, I get: root [0] .x principal.C ************************************************* * Principal Component Analysis * * * * Number of variables: 10 * * Number of data points: 10000 * * Number of dependent variables: 3 * * * ************************************************* Error in <TPrincipal::MakeEigenVectors>: too many iterations Variable # | Mean Value | Sigma | Eigenvalue -------------+------------+------------+------------ 1 | 4.998 | 1.002 | nan 2 | 8.022 | 2.816 | nan 3 | 1.992 | 1.987 | nan 4 | 5.008 | 0.9893 | nan 5 | 8.045 | 2.811 | nan 6 | 2.019 | 2.049 | nan 7 | 4.99 | 1.008 | nan 8 | 1.751e+05 | 1.013e+05 | nan 9 | nan | nan | nan 10 | 1.401e+05 | 8.108e+04 | nan <TCanvas::MakeDefCanvas>: created default TCanvas with name c1 Writing on file "pca.C" ... done root [1] Error in <RootX11ErrorHandler>: BadValue (integer parameter out of range for operation) (XID: 0) Error in <RootX11ErrorHandler>: BadDrawable (invalid Pixmap or Window parameter) (XID: 54526624) Is this Mac-specific or a general problem? Thank you in advance for your help. Best regards Christian ---------------------------------- C.h.r.i.s.t.i.a.n S.t.r.a.t.o.w.a V.i.e.n.n.a, A.u.s.t.r.i.a
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