Tag: regions

49 High-quality RegionPlot3D for logical combinations of predicates 2014-05-24T21:21:39.773

47 How to generate random points in a region? 2014-08-22T19:07:02.973

37 Can Mathematica put these puzzle pieces together? 2016-08-15T20:28:21.633

36 obtaining random element of a set given by multiple inequalities 2013-09-17T13:30:26.767

33 Generate two random numbers with constraints 2015-10-20T11:48:06.990

32 Bug in RegionMember? 2015-12-19T15:28:10.613

31 Why is raytracing so slow? 2020-04-15T23:07:20.870

30 Rounding the Corners of a Shape 2016-03-30T21:57:47.237

27 RegionPlot3D in cylindrical or spherical coordinates? 2012-12-16T15:12:00.850

25 RegionPlot returning a number 2015-04-11T06:47:53.097

25 Convert binary voxel image to geometric region 2015-10-04T13:06:00.430

23 Find the volume of Phobos and Deimos 2015-10-04T10:52:25.283

22 Generating hatched filling using Region functionality 2014-10-26T18:30:23.753

22 RegionMeasure is wrong for simple 1D Path 2017-08-08T07:35:25.500

22 Mismatch between Mathematica and COMSOL in 3D FEM problem 2017-11-08T20:09:55.987

20 RegionPlot is producing odd gaps, even for simple functions. Is there an option to prevent this? 2012-01-17T21:59:43.950

20 How can I smooth a 3D surface generated by RegionBoundary? 2015-06-29T12:27:43.280

19 Mathematica does not respect linearity of integral 2017-11-25T15:44:23.830

18 Generating uniform random points over a binary image 2015-05-14T09:25:47.950

18 Crop a Voronoi diagram and get a proper MeshRegion 2018-06-15T10:16:06.327

17 How to find the outline of a country given the imperfect outlines of its administrative subdivisions? 2015-12-22T09:39:57.343

17 How do I define a periodic region? 2016-01-24T04:18:29.273

17 How to quickly find all grid cells covered by a geometric region? 2016-09-14T18:12:32.887

17 How to improve this plot? 2016-10-23T07:42:28.460

16 Neumann boundary conditions in NDSolve over nontrivial region 2014-08-29T03:45:13.780

16 What is a robust way to determine if two polygons overlap? Possible bug in RegionIntersection or Area 2016-04-11T12:54:41.833

16 Possible bug in RegionUnion or related functions? 2017-10-03T08:19:37.583

15 Controlling quality of discretized region meshes 2014-07-15T15:12:15.057

15 How to compute the boundary of a group of ellipse efficiently? 2016-04-09T05:30:27.180

15 RandomPoint crashes kernel 2016-08-11T23:35:44.847

15 Same region, different meshes 2017-06-12T19:42:07.617

15 how to make the surface of a 3D region smooth 2019-12-11T13:28:48.093

15 Rounding an Irregular Polygon 2020-03-04T17:20:52.137

14 How to create subregions for the NDSolve FEM Solver 2014-10-03T18:19:12.267

14 Calculate inertia tensors 2014-10-11T23:24:17.127

14 Why is DiscretizeGraphics missing points on my curve? 2015-12-09T01:48:41.723

14 How could I perform Region or Polygon Clipping in mathematica? 2016-09-16T09:24:30.810

14 Random points around the given curve 2016-12-16T15:52:47.167

14 How to generate approximately equally spaced points efficiently 2017-03-28T12:30:10.043

14 How to compute intersections of circles on a lattice 2018-02-08T23:07:01.790

14 A Smooth and Round Voronoi Mesh 2020-01-18T14:09:13.623

13 Ideas on how to improve the rendering of the letter B in this 3D region plot? 2012-01-26T00:10:35.710

13 NIntegrating within an Ellipsoid 2012-03-12T15:33:08.300

13 Using RegionFunction on multiple plots 2012-05-17T10:04:03.687

13 What are some useful (or hidden) properties of MeshRegion? 2015-06-06T20:39:15.687

13 Is DiscretizeRegion not yet ready ro discretize 3D-solids? 2015-08-25T10:54:01.047

13 How to discretize a BezierCurve? 2015-10-29T11:21:41.583

13 How to create a surface mesh embedded in 3D? 2016-04-13T15:27:07.130

13 How to define space inside a closed curve as a Region 2016-09-05T13:27:11.250

13 The area of a unit disk is $2\pi$? (NIntegrate over a numerical region) 2017-11-03T13:58:21.563

13 How to Interpolate a 3D MeshRegion? 2018-12-19T02:13:17.060

13 Finding the largest rectangular submatrix 2019-01-24T09:07:39.320

12 Plotting a region with polar axes 2014-08-28T08:03:49.937

12 How to find the intersection of a Line with the boundary of a Region? 2014-12-16T21:38:30.663

12 How to display MeshRegion without vertices 2015-02-12T00:06:58.697

12 Region computations on FilledCurve (with hole) 2015-06-21T22:58:24.687

12 Integration of a PDE solution over a custom-defined subdomain 2015-08-07T15:39:24.677

12 RegionNearest and neighborhoods 2016-04-09T19:53:18.850

12 How can I find least squares intersection of 3D rays? 2016-08-13T02:31:39.547

12 Center of mass of 2D region 2017-05-22T15:12:46.870

12 Trouble meshing a Corbino disc 2018-06-26T11:48:03.260

12 Pathfinding on 2D regions 2020-09-30T12:47:18.897

12 Finding the largest disk within a convex region using Region primitives 2020-10-06T00:56:35.183

11 How to remove unwanted regions in a three-dimensional surface 2013-03-27T08:29:03.803

11 Nonrectangular region for NDSolve 2013-12-25T16:01:18.507

11 Calendar view outline 2014-10-01T15:07:40.987

11 How discretize a region placing vertices on a specific non-uniform grid 2014-12-23T20:47:47.510

11 Solve a PDE over a region defined by a BĂ©zier patch 2015-02-05T18:14:52.643

11 Join Two Element Meshes 2015-02-12T19:38:03.650

11 The envelope of a set of translated and rotated ellipses 2015-05-16T02:45:30.357

11 How can I define geographic regions and new entities? 2015-12-28T18:15:43.697

11 RandomPoint works with a 2D ImplicitRegion but fails for any higher dimension 2016-02-08T09:35:41.313

11 How to make a two letter monogram in 3d like the one on www.mymo.is? 2016-03-16T01:14:00.747

11 Is this a bug in DiscretizeRegion in 10.4? 2016-04-08T17:26:00.550

11 Hyperbolic Voronoi diagram for the Poincaré model, using RegionPlot 2016-05-18T03:10:37.110

11 Possible bug with RegionPlot 2017-02-08T08:06:35.143

11 Interior of discretized region 2017-08-26T11:21:18.153

11 What's the most efficient way to draw this region? 2019-10-04T13:07:24.577

11 Inaccurate result from ImplicitRegion 2019-12-27T08:46:15.337

11 Independent RoundingRadius specifications for all corners 2020-02-11T13:37:47.460

11 Area/Volume of a 2D/3D object as it is filled up with water 2020-05-28T15:00:10.247

10 Possible Bug in Computing Surface Area of Certain Geometric Regions 2015-07-19T06:10:52.460

10 How to convert the binarize-picture to a Region 2015-09-26T10:13:04.330

10 Plot the 3D complement 2015-11-11T09:48:05.390

10 RegionIntersection: Point or Line? 2016-03-28T17:00:25.070

10 RegionIntersection puzzle 2016-06-22T18:55:17.837

10 RegionPlot example in documentation fails 2016-06-26T21:01:28.507

10 Solving a system of temporal non-linear (reaction-diffusion) PDEs over a region using Neumann conditions 2017-07-10T11:30:06.307

10 3D internal subregion 2018-05-03T17:14:30.423

10 RegionMember[ ] in polygon 2018-08-04T23:15:38.473

9 Showing a rectangular plot on an almost-closed sphere 2013-02-26T20:10:56.127

9 How to use Undocumented Functions Prism, Tetrahedron and Hexahedron 2014-03-26T06:06:07.997

9 What is a "Region" in Mathematica 10? 2014-08-07T06:14:48.577

9 Area of Self-Intersecting Polygon with Repeated Vertices 2015-03-11T00:35:12.417

9 A method to discretize a three-dimensional solid 2015-09-08T11:10:57.713

9 Region bounded by x^2+y^2=1, y=z, x=0, z=0, in first octant 2015-11-02T05:35:48.827

9 When is RegionMeasure[ImplicitRegion[...]] faster than (N)Integrate[Boole[...]]? 2015-12-06T00:41:02.040

9 How to convert a graph to a mesh region 2016-04-08T12:52:14.637

9 Defining a MeshRegion from a list of points and Polygons with duplicate points does not work in 10.4 2016-04-08T16:12:56.040