Re: Bug with Integrate in v7?
- To: mathgroup at smc.vnet.net
- Subject: [mg103191] Re: Bug with Integrate in v7?
- From: Ben Dundee <dundee at mps.ohio-state.edu>
- Date: Thu, 10 Sep 2009 07:20:11 -0400 (EDT)
Interesting!
If you evaluate using NIntegrate you get the correct answer:
In[7]:= f=(x-1)^2*(y-1)^2*(z-1)^2;
NIntegrate[f,{x,-1,1},{y,-1,1},{z,-1,1}]
NIntegrate[Integrate[Integrate[f,{x,-1,1}],{y,-1,1}],{z,-1,1}]
Out[8]= 18.963
Out[9]= 18.963