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Re: Plot & warning messages (v6)

• To: mathgroup at smc.vnet.net
• Subject: [mg75989] Re: [mg75922] Plot & warning messages (v6)
• From: Brett Champion <brettc at wolfram.com>
• Date: Mon, 14 May 2007 03:50:34 -0400 (EDT)
• References: <200705130952.FAA04047@smc.vnet.net>

On May 13, 2007, at 4:52 AM , Szabolcs wrote:

> In Mathematica 6, Plot doesn't complain any more about non-numerical
> values. Is it possible to turn on this warning somehow?
>
> On[Plot::plnr] doesn't work.
>


Try using On[General::plnr], which should enable the message in at  
least some cases.


> Is there a comprehensive list of messages in the documentation  
> somewhere?
>
> In 5.2, it was possible to get all messages assigned to a symbol using
> Messages[] (for built-ins, this only worked if the message has already
> been displayed). In spite of what the documentation says, it seems  
> that
> this is no longer the case:
>
> http://reference.wolfram.com/mathematica/ref/Messages.html
>
> In[1]:= Plot[Sin[x], {x, 0, 0}]
>
> During evaluation of In[1]:= Plot::plld: Endpoints for x in {x,0,0} \
> must have distinct machine-precision numerical values. >>
>
> Out[1]= Plot[Sin[x], {x, 0, 0}]
>
> In[2]:= Messages[Plot]
>
> Out[2]= {HoldPattern[Plot::"accbend"] :> $Off[]}
>
> Plot::plld is nowhere to be seen.


It's under Messages[General].


Brett Champion

• References:
  • Plot & warning messages (v6)
    • From: Szabolcs <szhorvat@gmail.com>