Re: Graphic simple?
- To: mathgroup at smc.vnet.net
- Subject: [mg18305] Re: Graphic simple?
- From: Attico Nicola <attico at cibs.sns.it>
- Date: Fri, 25 Jun 1999 22:24:13 -0400
- Organization: Universita' di Pisa
- References: <7ktv1m$97k@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
On 24 Jun 1999, Jesus Perez Ortega wrote:
> Hi, all
> I don't know why the mathematica don't plot well this sinple graphic
>
> Plot[t-(t-1) UnitStep[t-1],{t,0,5}]
Maybe because the function UnitStep[] does not exists?
I dont find it with Mathematica v3:
In[1]:=??UnitStep
Information::notfound: Symbol UnitStep not found.
You can try in any case with
In[2]:=UnitStep[x_]:=If[x<0,0,1]
Now your command works fine!
Bye
-----
Nicola Attico
(attico at cibs.sns.it)