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From: Ethan M. <merritt@u.washington.edu> - 2007-07-23 04:03:11
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On Monday 16 July 2007, Martin Giersich wrote: > Btw, the official gnuplot-documentation (Thomas Williams & Colin > Kelley, "gnuplot - An Interactive Plotting Program", 3 March 2007, > available at: http://www.gnuplot.info/docs/gnuplot.pdf) describes at > page 25 using "1/0" as a way that "may be used to generate an > "undefined" flag, which > causes a point to ignored". No other method to do this is refered. > If there is another method to do this - besides change of dat-file > format - i'd like to know... Starting with version 4.2 there is a pre-defined variable named NaN which may be used for this purpose. |