Re: Plotting

*To*: mathgroup at smc.vnet.net*Subject*: [mg2147] Re: Plotting*From*: rmarimon at leland.stanford.edu (Ricardo Marimon)*Date*: Wed, 4 Oct 1995 01:58:55 -0400*Organization*: Stanford University

In article <44qj7k$s22 at ralph.vnet.net>, Julian Charko <jcharko at microage-ll.awinc.com> wrote: > In order to plot the function f(x) = a^x, where a<0, over a > range of integer values of x, what plotting options would you > need to use with the Plot command? > > Specifying a plotting range of real numbers in the usual way, > as shown below, for example, presents problems because > Mathematica generates complex numbers for fractional exponents, > and these obviously cannot be plotted by Plot. > > Plot[(-1)^x, {x, -5, 5}] You would have to use ListPlot. You can try writting p = ListPlot[Table[{x, (-i)^x}, {x, -5, 0}], PlotJoined->True] q = Plot[(-1)^x, {x, 0, 5}] Show[p, q] I haven't tried but it should work. - Ricardo Marimon rmarimon at leland.stanford.edu