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MathGroup Archive 2005

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Re: Bug in Mathematica ?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg60784] Re: Bug in Mathematica ?
  • From: Peter Pein <petsie at dordos.net>
  • Date: Thu, 29 Sep 2005 05:40:53 -0400 (EDT)
  • References: <dhdbeu$8fk$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Bidule schrieb:
> Hi,
> 
> I've computed the following two expressions:
> 
> Integrate[Max[x, y], {x, 0, 1}, {y, 0, 1}]
> NIntegrate[Max[x, y], {x, 0, 1}, {y, 0, 1}]
> 
> which result in very different numbers. When I calculate the integral by 
> hand I get (2/3).
> 
> Any thoughts ? I guess by now it's probably a known bug. (or maybe even 
> a 'feature').
> 
> B.
> 

???????????

Hi,

of course
In[1]:=
Integrate[Max[x,y],{x,0,1},{y,0,1}]
NIntegrate[Max[x,y],{x,0,1},{y,0,1}]
Out[1]=
2/3
Out[2]=
0.666667
look different but the latter is N[2/3]

confused greetings,
Peter


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