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Re: Re: Log(ln) Function + 2 Parameters + Greater

  • To: mathgroup at smc.vnet.net
  • Subject: [mg89289] Re: Re: [mg89272] Log(ln) Function + 2 Parameters + Greater
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Tue, 3 Jun 2008 07:31:51 -0400 (EDT)
  • Reply-to: hanlonr at cox.net

Also

Plot[Table[f[a, x], {a, 0, 10}], {x, 0, 5}]


Bob Hanlon

---- Bob Hanlon <hanlonr at cox.net> wrote: 
> f[a_, x_] := x (a + Log[x])^2;
> 
> Plot3D[f[a, x], {x, 0, 5}, {a, 0, 10}]
> 
> 
> Bob Hanlon
> 
> ---- Felipe Mannshardt <vexie.infamous at googlemail.com> wrote: 
> > Hello,
> > 
> > i am having problem telling Mathematica to:
> > 
> > First Try,
> > 
> > Clear[x, f]
> > f[x_] := x (a + Log[x])^2
> > 
> > a > 0
> > Plot[f[x], {x, -5, 5}]
> > 
> > Second Try,
> > 
> > f[x_] := x (a + Log[x])^2
> > 
> > Plot[f[x], {x, -5, 5}] /.a-> a>0
> > 
> > 
> > What i want is to tell Mathematica to draw a Graph of f[x] when a>0
> > 
> > Thanks for the help.
> > 



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