Hello rooters. I cannot draw 2 lines on the same picture. Root 2.25/03 . TF1 fun1("fun1","[0] + [1]*x",1,10); fun1.SetParameters(1,1); fun1.Draw(); fun1.SetParameters(5,-1); fun1.Draw("same"); // --> different picture // fun1.Draw("lsame"); // .......... // fun1.DrawCopy("lsame"); // ....... Thanks a lot. Volodja Babintsev
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