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# Tag Info

## New answers tagged regions

0 votes

### Minimize the number of components in the output of Reduce

My problem was that the solutions provided by Reduce included both isolated points such as (x1==1 && x2==0 && x3==0), and open intervals whose closure was also part of the solution, ...
• 327
2 votes

### Minimize the number of components in the output of Reduce

The following is like something I did once to have Mathematica set up and illustrate iterated integrals over regions in ${\Bbb R}^3$. It works on the example at hand, but it probably needs more ...
• 239k
14 votes
Accepted

### Extending DiscretizeRegion from 2D to 3D

RegionProduct[R2D, Line[{{0.}, {2.}}]]
• 77.8k
1 vote
Accepted

### Checking the formula for solving the Poisson equation with an integral over all of space

This is rather a math than Mathematica question. The integral formula can be applied only if $\phi(x,y,z)\to 0$ as $\sqrt{x^2+y^2+z^2}\to \infty$ (for example, see p.36 here ). But ...
• 27.3k
12 votes

### How to make Region from Spline curve

curve = BSplineCurve[{{0, 0}, {1, 0}, {2, .5}, {1, 1}, {0, 1}}, SplineClosed -> True]; region = DiscretizeGraphics @ Graphics[FilledCurve @ curve] ...
• 81.3k
13 votes

### How to make Region from Spline curve

BSplineCurve+BoundaryDiscretizeGraphics. ...
• 77.8k

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