Re: Troubleshooting Mathematic's Help
- To: mathgroup at smc.vnet.net
- Subject: [mg72486] Re: [mg72473] Troubleshooting Mathematic's Help
- From: "Adriano Pascoletti" <pascolet at dimi.uniud.it>
- Date: Mon, 1 Jan 2007 03:59:03 -0500 (EST)
Steven Shippee wrote ..
> In an old, old book by Bill Davis, Horacio Porta, & Jerry Uhl I saw an
> example of how to draw a vector, e.g.,
>
> << Graphics`Arrow`
>
> X = {3, 4};
> Show[Arrow[X, Tail -> {0, 0}, Blue],
> Axes -> True,
> PlotRange -> All,
> AxesLabel -> {"x", "y"},
> AxesOrigin -> {0, 0}];
>
> Not being that familiar with Mathematica, where would be the best place
> to
> start to debug this?
see http://documents.wolfram.com/v5/Add-onsLinks/StandardPackages/Graphics/Arrow.html
>Error message indicates it could be a problem with
> Tail and/or with Arrow, looking at master index Arrow looks OK, unless
> it
> needs to be embedded within the Graphics command? Thanks in advance,
>
> Steven Shippee
Try this
X = {3, 4};
Show[Graphics[{Blue, Arrow[{0, 0}, X]}],
Axes -> True,
PlotRange -> All, AxesLabel -> {"x", "y"},
AxesOrigin -> {0, 0}];
Adriano Pascoletti