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Re: Clever Tricky Solutions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg94109] Re: [mg94069] Clever Tricky Solutions
  • From: DrMajorBob <btreat1 at austin.rr.com>
  • Date: Fri, 5 Dec 2008 05:30:01 -0500 (EST)
  • References: <200812041213.HAA27605@smc.vnet.net>
  • Reply-to: drmajorbob at longhorns.com

px1 = Plot[1/2 Sin[3.14 x], {x, 1, 2}, AxesOrigin -> {0, 0}];
px2 = Plot[Sin[3.14 x], {x, 0, 1}, AxesOrigin -> {0, 0}];
Show[px1, px2, PlotRange -> All]

> to use fashion.  But the end result is, since most people don't have the  
> time or patience to go through this mind numbing exercise to get a  
> simple job done, they will use Mathematica only when all other packages  
> fail to deliver what they need.

So they'll get to Mathematica almost instantly. No problem.

Bobby

On Thu, 04 Dec 2008 06:13:56 -0600, Donald DuBois <donabc at comcast.net>  
wrote:

> Here is a simple example of why more people don't use Mathematica.
>
> px1 = Plot[1/2 Sin[3.14 x ], {x, 1, 2 }, AxesOrigin -> {0, 0}]
>
> px2 = Plot[Sin[3.14 x ], {x, 0, 1 }, AxesOrigin -> {0, 0}]
>
> Show[px1, px2] does NOT show both graphs.
>
> There are multiple steps that the user might go through
> that may help.  A list below in the order that I think most people who  
> are not Mathematica aficionados would use:
>
> (1) Go to the Show Help page  which is no help at all.
>
> (2) Do Options[Show]  which produces  {}.
>
> (3) Digging a little further, you have to realize the px1 and px2 are  
> Graphics objects and that Show inherits these options so do a  
> Options[Graphics].  After playing around with the different options  
> starting with the word "Axes" [since the problem seems to be the axes in  
> the positive half of the graph are missing] you hit upon PlotRange->All  
> does the trick.
>
> I'm sure there are reasons why Show does not work in an intuitive, easy  
> to use fashion.  But the end result is, since most people don't have the  
> time or patience to go through this mind numbing exercise to get a  
> simple job done, they will use Mathematica only when all other packages  
> fail to deliver what they need.  Not a good way of expanding the user  
> base, in my opinion.  Clever, tricky solutions are no solutions at all.
>



-- 
DrMajorBob at longhorns.com


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