Re: More: tantamount error messages when interupting
- To: mathgroup at smc.vnet.net
- Subject: [mg8636] Re: [mg8607] More: tantamount error messages when interupting
- From: "Steve Chesley" <chesley at chaos.ae.utexas.edu>
- Date: Fri, 12 Sep 1997 04:10:49 -0400
- Sender: owner-wri-mathgroup at wolfram.com
I saw your first message and have been watching hopefully for an
explanation or fix for this very annoying behavior. Doesn't anyone
(i.e., WRI) have a suggestion or fix? It should be clear that having
to quit the kernel because of a syntax error is unacceptable
performance.
Steve Chesley
chesley at chaos.ae.utexas.edu
----------
> From: K. Nikolaj Berntsen <knb at _nospam_bkm.dtu.dk>
To: mathgroup at smc.vnet.net
> To: mathgroup at smc.vnet.net
> Subject: [mg8636] [mg8607] More: tantamount error messages when interupting
> Date: Tuesday, September 09, 1997 2:07 AM
>
> Some time time ago I posted a question without the documentation,
there
> was one response with an answer I wasn't looking for (but thanks
> anyway). Now I have reproduced the error without crashing
mathematica,
> so here goes again, with documentation.
>
> I have the annoying problem, that once in a while when I interrupt
a
> calculation with <alt>+<.> MMA3.0 start splurting out error
messages in
> the messages window:
>
> For example I input the following (whre c[i,j] is an array of not
so
> nice functions):
>
> In[]: NullSpace[Table[c[i,j][[1]],{i,1,8},{j,1,8}]
> /.c[1]->.4,c[2]->.3,c[3]->.2, c[4]->-.5]
>
> Where I had forgotten the braces about the replacement rules.
Hitting
> "evaluate" I got the first error message:
>
> NullSpace::"optrs":
> "Option specification \!\(\(c[4]\) \\[Rule]
\(-\*StyleBox[\"0.5`\",
> \
> Rule[PrintPrecision, 1], Rule[StyleBoxAutoDelete, True]]\)\) in \
> \!\(NullSpace[\(\\[LeftSkeleton] 1 \\[RightSkeleton]\)]\) is not a
rule
> for a \
> symbol."
>
> Realising my error I hit <alt> + <.>, then, in the messages I got
loads
> of messages like (in the messages window):
>
> Front End Message
> An unknown box name (Rational) was sent as the BoxForm for the
> expression. Check the format rules for the expression.
> Front End Message
> An unknown box name (Power) was sent as the BoxForm for the
expression.
> Check the format rules for the expression.
>
> Front End Message
> An unknown box name (c) was sent as the BoxForm for the expression.
> Check the format rules for the expression.
>
> Front End Message
> An unknown box name (Times) was sent as the BoxForm for the
expression.
> Check the format rules for the expression.
>
> Obviously I do not care about this message and just want to correct
my
> typo without having to wait for mathematica to finish its messages.
>
> It can take literally hours on a pentium 150 to finish, it can even
> crash mathematica (linux does not crash :-)
>
> Is there a way to turn off the messages? Can I get of this annoying
> feature by upgrading to 3.01?
>
> Happy computing,
> Nikolaj
> --
> --------------------------------------------------------------
> | Ph.D. stud., cand.scient. |
> | K. Nikolaj Berntsen |
> | Office: Department of Structural Engineering and Materials |
> | Technical University of Denmark |
> | Building 118, room 152 |
> | DK-2800 Lyngby |
> | Tel +45 4525 1769 |
> | Fax +45 4588 3282 |
> | URL: http://www.bkm.dtu.dk/~knb |
> | http://www.nbi.dk/~berntsen |
> -------------------------------------------------------------|