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