Re: RE: Re: Problem with plotting two functions

• To: mathgroup at smc.vnet.net
• Subject: [mg43757] Re: [mg43745] RE: [mg43666] Re: [mg43637] Problem with plotting two functions
• From: Murray Eisenberg <murray at math.umass.edu>
• Date: Fri, 3 Oct 2003 02:28:44 -0400 (EDT)
• Organization: Mathematics & Statistics, Univ. of Mass./Amherst
• References: <200310020652.CAA15290@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```All I can tell you is what it says in the documentation:

With the Automatic setting, the distribution of coordinate values is
found, and any points sufficiently far out in the distribution are
dropped. Such points are often produced as a result of singularities in
functions being plotted.

That give no clue as to what "sufficiently far out" means.  Perhaps it's
a proprietary matter.  But I've seldom constructed such a complicated
plot that, if I didn't like what Mathematica chose as the PlotRange (by
its Automatic default setting), I couldn't immediately change that and
re-plot without wasting more than a second or two.

You may want to use the form

PlotRange -> {min, Automatic}

for PlotRange.  Look up PlotRange in the HelpBrowser for explanation.

kimsj wrote:

> Dear Murray Eisenberg,
>
>
>>-----Original Message-----
>>From: Murray Eisenberg [mailto:murray at math.umass.edu]
To: mathgroup at smc.vnet.net
>
> To: mathgroup at smc.vnet.net
>
>>Subject: [mg43757] [mg43745] [mg43666] Re: [mg43637] Problem with plotting two functions
>
>
>
>>Plot[{x^3 - 6x, 8 - 3x^2}, {x, -5, 4}, PlotRange -> All]
>
>
> Yes, it's an exact solution to what the newbie asked. However, why
> doesn't this option turn on by default? If this option should be off by
> default, could you let me know how Mathematica find the range of the
> clipped y-axis? This will help decide whether I turn on this option in
> further situations.
>
>
>
>>--
>>Murray Eisenberg                     murray at math.umass.edu
>
>
> Sung jin Kim
> i-Networking Lab, Samsung AIT.
> (communication at samsung.com)
>
>

--
Murray Eisenberg                     murray at math.umass.edu
Mathematics & Statistics Dept.
Lederle Graduate Research Tower      phone 413 549-1020 (H)
University of Massachusetts                413 545-2859 (W)
710 North Pleasant Street            fax   413 545-1801
Amherst, MA 01003-9305

```

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