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Re: Plot function with two arguments
*To*: mathgroup at smc.vnet.net
*Subject*: [mg122094] Re: Plot function with two arguments
*From*: DrMajorBob <btreat1 at austin.rr.com>
*Date*: Thu, 13 Oct 2011 03:48:36 -0400 (EDT)
*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com
*References*: <201110120743.DAA16215@smc.vnet.net>
*Reply-to*: drmajorbob at yahoo.com
f[x_, k_] := (k*x^2 - x)/(x - k)
Plot[Evaluate@Table[f[x, k], {k, -3, 3}], {x, -20, 20}]
Remove Evaluate, and all the curves will be the same color.
Bobby
On Wed, 12 Oct 2011 02:43:01 -0500, Momo K <momok1994 at googlemail.com>
wrote:
> Hello,
>
> I want to plot the function f. It is defined as followed:
>
> f[x_, k_] := (k*x^2 - x)/(x - k)
>
> As you see, it takes two arguments. In fact it shall represent a family
> of
> curves, but I didn't find any way different to this to define one.
>
> My aim is to plot the function by plot firstly f[x, -3], then f[x, -2],
> f[x,
> -1], f[x, 0], ...
> Is there a way to do this automatically without typing every single
> function
> with k adjusted. I imagined something like {{x,-20,20}, {k,-3,3}} or so.
>
> Many thanks
> and best regards
>
> Momo
--
DrMajorBob at yahoo.com
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