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MathGroup Archive 2005

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Re: global option?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg53626] Re: [mg53561] global option?
  • From: Omega Consulting <info at omegaconsultinggroup.com>
  • Date: Fri, 21 Jan 2005 06:35:30 -0500 (EST)
  • References: <200501181008.FAA23966@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

An annoying problem that can be fixed by setting $Post (as others have 
pointed out). Though there's another way you might be interested in.

Even if you didn't make a mistake and just have a very large output, 
it's easy to forget to suppress output with a semicolon. And if you do 
remember, there's no good way to view parts of the output.

I've spent hours picking through a large expressions with Head, Length, 
and Part commands. So I wrote a J/Link utility that renders expressions 
as Java trees. It's saved me many a headache.

http://omegaconsultinggroup.com/Products/tree/

----------------------------------------------
Omega Consulting
The final answer to your Mathematica needs.
http://omegaconsultinggroup.com

On Jan 18, 2005, at 4:08 AM, Marko Kastens wrote:

> Hi,
>
> is there a global option, that makes Mathematica ONLY printing out the
> error-message but NOT the expression when an error occurs?
>
> f.ex.:
> IN[1]:tmp=Table[0,{i,1000000}];
> IN[2]:Lenght[tmp] --> produces an error (should be Length) and 
> Mathematica is Printing
> the full Table _tmp_ to the output.
>
> The boring point is to wait for Mathematica finishing the 
> table(expression)...especial
> when the expression (matrix, table, list) ist very large. Very often an
> interruption (ALT+,) is not possible; sometimes it is also not 
> possible to shut
> down the kernel...
>
> It would be very helpful if there is an option to reduce or to stop 
> this kind
> of printout.
>
> Thanks for help,
> marko
>


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