Hi, I tried to draw some TF1 function. First I tried to draw exp(-x) in the range between 0 and 1 (not 1 and 0!). TF1 f("", "exp(-x)", 0, 1, 0); f.Draw(); What I got was a histogram binned from 1 to 0 (left to right) and from 1 to 0 (bottom to top). But I preffer to have a binning from 0 to 1. The I tried to draw (exp(x*[0])-1)/(exp([0])-1) With [0] set to 1, 2, 3, or similar in the Range 0..1. TF1 f("", "(exp(x*[0])-1)/(exp([0])-1)", 0, 1, 1); f.SetParameter(0, 1); f.Draw(); If I Draw the function I get non equidistant binning in both axis. (Neither X nor Y are set to Log-Scale) It is not a log-scale. I neither want the first behavour, nor the second one. How can I get rid of it? Thomas. PS: I'm using root 3.02/06
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