Re: Drowing a vertical or horizontal line in a graphic
- To: mathgroup at smc.vnet.net
- Subject: [mg77315] Re: Drowing a vertical or horizontal line in a graphic
- From: dh <dh at metrohm.ch>
- Date: Wed, 6 Jun 2007 07:30:01 -0400 (EDT)
- References: <f43h19$2sm$1@smc.vnet.net>
Hi Vincent,
you can e.g. use Epilog:
Plot[(x-1)^2,{x,0,2},Epilog\->{Red,Line[{{1,0},{1,1}}]}]
hope this helps, Daniel
Vicent wrote:
> I am using Mathematica 5 and I have a simple question to ask you.
>
> I am drawing a function with "Plot" function.
>
> How can I add a vertical or horizontal line (or several ones) at a
> given position?
>
> For example, I want to draw y = (x-1)^2, and also want a vertical
> line just at x = 1, in order to signal the point where that fuction
> gets its lower value.
>
> How can I do it?
>
> Thank you in advance.
>
> --
> Vicent
>
>