User Portlet
| Discussions |
|---|
| Hi, I had this problem when using `Integrate` ove regions: In[1]:=Integrate[Sin[1*x1 + x2 + x3], {x1, x2, x3}\[Element]Cuboid[{0, 0, 0}, {1, 1, 1}]] // N (*0.879355*) In[2]:=Integrate[Sin[1.*x1 + x2 + x3], {x1, x2,... |