Re: more plotting peculiarities

*To*: mathgroup at smc.vnet.net*Subject*: [mg124109] Re: [mg124075] more plotting peculiarities*From*: Richard Fateman <fateman at eecs.berkeley.edu>*Date*: Mon, 9 Jan 2012 03:18:32 -0500 (EST)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*References*: <201201080922.EAA01272@smc.vnet.net> <4F09EDC6.8020206@math.umass.edu>

On 1/8/2012 11:25 AM, Murray Eisenberg wrote: > Those results are wholly unsurprising (Version 8). After all, look at > some sampled values in the domains, e.g.: > > Z = (1.0 + 2.0^-47 Range[-5, 5, .1] // NumberForm[#, 15] & ) > 1.02 + 2.0^-47 Range[-5, 5, .1] // NumberForm[#, 15] & > > And then take Cos of each list. > > Actually, the plot from the first expression does NOT look empty to > me: I see a thickened horizontal axis located at height y = 0.54. > Using option AxesOrigin -> {0,0} reveals what appears to be a line at > that height. > Using PlotRange->Full or PlotRange->Automatic should show that line better. But doesn't. ListPlot[Z, PlotRange -> {0.9999999999999, 1.0000000000001}] works however.

**References**:**more plotting peculiarities***From:*Richard Fateman <fateman@cs.berkeley.edu>