Re: Errors While Creating Simple Graph
- To: mathgroup at smc.vnet.net
- Subject: [mg8394] Re: [mg8282] Errors While Creating Simple Graph
- From: John Kiehl <jkiehl at interport.net>
- Date: Tue, 26 Aug 1997 20:41:34 -0400
- Organization: Soundtrack Recording
- Sender: owner-wri-mathgroup at wolfram.com
Ironwolf wrote:
>
> When I ask Mathematica (2.2) to perform the following plot, it works as
> expected, drawing a plot of two intersecting lines:
>
> In[1]:=
> Plot[{x + 1, 2x - 1}, {x, 0, 5}]
>
> Out[1]=
> -Graphics-
>
> However, when I use substitution to provide the list of equations,
> something goes wrong, and the resulting graph is empty:
>
> In[2]:=
> {x + 1, 2x - 1}
>
> Out[2]=
> {1 + x, -1 + 2 x}
>
> In[3]:=
> Plot[%2, {x, 0, 5}]
>
I'm very new to mathmatica, but I ran into this exact problem and
found it was solvable by using Plot[Evaluate[%],{...}]. I believe old
versions use Release[%]. But no doubt you'll hear from the big boys
on this.