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

**References**:**Plot function with two arguments***From:*Momo K <momok1994@googlemail.com>