Re: N00b help needed: Graphics

• To: mathgroup at smc.vnet.net
• Subject: [mg96862] Re: N00b help needed: Graphics
• From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
• Date: Thu, 26 Feb 2009 07:56:50 -0500 (EST)
• Organization: Uni Leipzig
• References: <go319k\$f2n\$1@smc.vnet.net>

```Hi,

data1 = Table[{x, Sin[x]}, {x, 0, 2 Pi, 2 Pi/64}] // N;
f = Interpolation[data1];
data2 = Table[{x, Sin[x] + RandomReal[{-0.1, 0.1}]}, {x, 0, 2 Pi,
2 Pi/64}] // N;

Plot[f[t], {t, 0, 2 Pi}, Epilog -> Point /@ data2]

??

Regards
Jens

Hauke Reddmann wrote:
> Hello,
>
> I have a very simple problem: Visualization of
> two data sets f={{x1,y1},{x2,y2},...} and
> g={{X1,Y1},{X2,Y2},...}.
> The first set shall be replaced by an interpolated curve:
> F=Interpolation[f]. OK, that was trivial :-)
> The second shall be shown as small dots overlayed on the graph
> of f. Where is the problem, you ask? The problem is
> my uni has version 5 and all the Graphics primitives
> as shown on the Wolfram Internet site give no visible
> output or even error messages!
> Surely you have a command Plot[something_with_f_and_g]
> for me working for any data lists? (Spline madness is
> no issue, F is very smooth with my actual test data set f.)
>
> THX,

```

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