       Re: listplot and plot of the same function display in different scale...

• To: mathgroup at smc.vnet.net
• Subject: [mg51635] Re: [mg51617] listplot and plot of the same function display in different scale...
• From: Bob Hanlon <hanlonr at cox.net>
• Date: Wed, 27 Oct 2004 23:42:37 -0400 (EDT)
• Reply-to: hanlonr at cox.net
• Sender: owner-wri-mathgroup at wolfram.com

```Needs["Graphics`"];

solution=NDSolve[
{y'[t]==-y[t],y==1},
{y},{t,0,7}];

Plot[Evaluate[y[t]/.solution],{t,0,7},
Epilog->{Red,PointSize[0.015],
Point/@
Table[Flatten[{t, y[t]}/.solution,1],
{t,0,7,0.25}]}];

Bob Hanlon

>
> From: sean kim <sean_incali at yahoo.com>
To: mathgroup at smc.vnet.net
> Date: 2004/10/27 Wed AM 01:54:41 EDT
> To: mathgroup at smc.vnet.net
> Subject: [mg51635] [mg51617] listplot and plot of the same function display in
different scale...
>
> Hello group,
>
> let's say you want to take a few points from an
> interploating function and ListPlot it. and then show
> it together with the graph object from Plot.
>
> so...
>
> solution = NDSolve[{y'[t] == -y[t], y == 1}, {y},
> {t, 0, 7}];
>
> g0 = Plot[Evaluate[y[t] /. solution], {t, 0, 7},
> DisplayFunction -> Identity];
> g1 = ListPlot[Flatten[Table[Evaluate[y[t]/.solution],
> {t, 0, 7, 0.05}]],PlotStyle -> PointSize[0.015],
> DisplayFunction -> Identity];
>
> Show[g0, g1, DisplayFunction -> \$DisplayFunction]
>
> will show two plots in one graph, but plots have their
> own axis scale. the Plot[] object seems to be shrunk
> in scales due to ListPlot[] object having more points.
> (due to being tabled)
>
> How do i fix this so that both Plot have same axis
> scales? ( I want to show dots from ListPlot to overlay
> on top of Plot graph. )
>
> Thanks in advance for any insights.
>
>
> sean
>
>
>
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```

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