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updated 3 months ago

AABBTREE - A d-dimensional bounding-box tree. by Darren Engwirda

Darren Engwirda (view profile)

A d-dimensional bounding-box tree for collections of objects. (geometry, 2d, 3d)

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updated 3 months ago

FINDTRIA - Spatial queries for simplexes. by Darren Engwirda

Darren Engwirda (view profile)

Efficient spatial queries for collections of d-simplexes. (mathematics, geometry, 2d)

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updated 3 months ago

DUALMESH - Polygonal mesh construction. by Darren Engwirda

Darren Engwirda (view profile)

Construct polygonal "dual" meshes from 2-simplex triangulations embedded in R^3. (mathematics, modeling, 2d)

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updated 5 years ago

MESH2D - Automatic Mesh Generation by Darren Engwirda

Darren Engwirda (view profile)

Generates unstructured triangular meshes for general 2D geometry. (mathematics, simulation, modeling)

checkgeometry(node,edge,face,hdata)

circumcircle(p,t)

connectivity(p,t)

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updated 7 years ago

Fast points-in-polygon test by Darren Engwirda

Darren Engwirda (view profile)

Fast test to determine points located inside general polygon regions. Should be significantly faster (points inside polygon, image processing, inpolygon)

inpoly(p,node,edge,TOL)

lake

polydemo

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updated 8 years ago

tinterp - an alternative to griddata by Darren Engwirda

Darren Engwirda (view profile)

Linear and quadratic interpolation for scattered data (approximation, interpolation, scattered interpolati...)

tester

tinterp(p,t,f,xi,yi,method)

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updated almost 9 years ago

Contours for triangular grids by Darren Engwirda

Darren Engwirda (view profile)

Generate smooth contours for functions defined on unstructured triangular grids (specialized, plotting, unstructured)

contourdemo

tricontour(p,t,Hn,N)

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updated almost 9 years ago

Fast sparse matrix vector product by Darren Engwirda

Darren Engwirda (view profile)

sparse matrix vector product (linear algebra, sparse, matrix)

smvp

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updated almost 9 years ago

Fast Sparse LU substitution by Darren Engwirda

Darren Engwirda (view profile)

A dedicated mex-file for use with UMFPACK to complete the forward and back substitution quickly (linear algebra, sparse lu substitutio..., umfpack)

LUsubs

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