Re: Plots with Variable Limits?
- To: mathgroup at smc.vnet.net
- Subject: [mg24121] Re: Plots with Variable Limits?
- From: "Allan Hayes" <hay at haystack.demon.co.uk>
- Date: Wed, 28 Jun 2000 02:11:42 -0400 (EDT)
- References: <8j9djn$51e@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Two suggestions
f[r_, a_] := Sin[a r + r];
Unevaluated[Plot[ f[x, a], {x, -2a, 2a} ]] /. a -> 3
With[{a = 3}, Plot[ f[x, a], {x, -2a, 2a} ] ]
--
Allan
---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565
"A. E. Siegman" <siegman at stanford.edu> wrote in message
news:8j9djn$51e at smc.vnet.net...
> I want to make a test plot of a function f[x,a] versus x for some
> trial value of the parameter a without fixing that parameter for
> subsequent cells, e.g. something like
>
> Plot[ f[r,a], {x,-2a,2a} ] /. a->10
>
> If I try this, Mathematica gives me a "Plot::plln" error -- but then
> goes ahead and makes the correct plot anyway.
>
> I can of course turn off the error -- but what's a better, but still
> clean and simple, way to accomplish this.
>
> Thanks siegman at stanford.edu
>