Re: [SYS #14934] (general) serious newsgroup problem
- To: mathgroup at smc.vnet.net
- Subject: Re: [SYS #14934] (general) serious newsgroup problem
- From: Shaun Eack <shaune at wolfram.com>
- Date: Fri, 9 Mar 2001 08:46:42 -0600
- Cc: wri-sysadmin at wolfram.com
The news group should have posts on other servers, but for some reason when the moderator approved the
posts they got bounced off of our server, here is an example post :
Date: Sun, 25 Feb 2001 00:20:40 -0600 (CST)
From: owner-wri-mathgroup at wolfram.com
To: owner-wri-mathgroup at wolfram.com
Subject: BOUNCE wri-mathgroup: Invalid 'Approved:' header
>From postmaster Sun Feb 25 00:20:32 2001
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Date: Sun, 25 Feb 2001 00:53:15 -0500 (EST)
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From: bghiggins at ucdavis.edu (Brian Higgins)
To: mathgroup at smc.vnet.net
Approved: Steven M. Christensen <steve at smc.vnet.net>, Moderator
Subject: [mg27390] [mg27390] Re:SetDelayed problems with matrix operation
Organization: The Math Forum
References: <96vv3k$ks at smc.vnet.net>
Guillermo,
The problem is the use of the Delayed Assignment used in your function
definition. When you use a delayed assignment the RHS is not evaluated
until the function is used. Thus Mathematica complains that the LHS is
a list while the RHS is not. You can fix the problem by using an
immediate assignment:
{ x1[t_], x2[t_], x3[t_]} = MatrixExp[A t].{b1, 0, 0}
Brian
As you can see for some reason they are being bounced. However since we don't host this group (I believe), then it only comes to us through newsfeed and other servers with the similar feed should have more up to date
info on the whole newsgroup. For example, deja probably has all the news group information. So while
we are fixing this problem, I would suggest that you use deja news or another news server for the time
being, since this group appears to be unreliable at the moment on our server.
The only way I have found to keep this problem from happening is to unleash the bandwidth limits currently
imposed on the news server. Since that causes severe congestion of our T1, we would really prefer
not to unleash the limits set on the news server. Let me know if deja will be accurate. If it isn't I
would still like to try to look at some other news servers before moving to give news more
bandwidth.
--
----------------------------------------------------------------------
Shaun Eack Phone: (217) 398-0700 ext. 292
Unix System Adminstrator Email: shaune at wolfram.com
Wolfram Research, Inc.
On Fri, 9 Mar 2001, Michael Trott wrote:
> The Mathematica-only newsgroup comp.soft-sys.math.mathematica seems to
> get only a tiny fraction of the messages posted within the last about 10
> days.
> The availability of this newsgroup is of critical importance for
> Wolfram.
> Can we make sure that we get every single message posted to this group?
>
>