Re: Not a floating-point number message
- To: mathgroup at smc.vnet.net
- Subject: [mg17592] Re: [mg17527] Not a floating-point number message
- From: BobHanlon at aol.com
- Date: Mon, 17 May 1999 02:14:35 -0400
- Sender: owner-wri-mathgroup at wolfram.com
In a message dated 5/14/99 9:18:43 AM, rubgb at my-dejanews.com writes:
>I'm trying to plot the following Table using ListPlot:
>
>f[x_]:=N[Pi^([Sin[2 x]]-[Cos[x^2]])];
>
>dummyData=Table[{x,f[x]},{x,-5,5,0.5}];
>
>ListPlot[dummyData,PlotStyle\[Rule]PointSize[0.02]];
>
>I'm getting the following error message:
>Coordinate...in {...} is not a floating-point number."
>
>I have loaded the package Miscellaneous`RealOnly` and I have been able
>to plot f[x] using Hold but I haven't been successful so far with the
>table :-((
>Any ideas would be greatly appreciated!
>
You have extraneous brackets in the definition of f. You cannot use brackets
in place of parentheses. Use the following:
f[x_]:=N[Pi^(Sin[2 x]-Cos[x^2])];
dummyData=Table[{x,f[x]},{x,-5,5,0.5}];
ListPlot[dummyData,PlotStyle\[Rule]PointSize[0.02]];
Bob Hanlon