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Plot & warning messages (v6)

  • To: mathgroup at
  • Subject: [mg75922] Plot & warning messages (v6)
  • From: Szabolcs <szhorvat at>
  • Date: Sun, 13 May 2007 05:52:03 -0400 (EDT)
  • Organization: University of Bergen

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.

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:

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.

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