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Computational geometry
| Examplary MATLAB Codes for the Boundary Knot Method
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The boundary knot method (BKM) is a new distance function boundary-type technique, being truly meshfree, spectral convergent (numerical observations), symmetric (self-adjoint PDEs), integration-free, and very easy to learn and implement. The method is developed as an alternative to the method of fundamental solution to avoid the fictitious boundary as well as to the BEM to overcome the low accuracy, singular integration and mesh. We have successfully tested the BKM to the Helmholtz, diffusion, convection-diffusion, and Possion equations under very irregular 2D and 3D domains. This site is to provide some MATLAB codes verifying efficiency, simplicity, and prowess of the BKM.
Submitted Jul 04, 2004
by Wen Chen
Updated Jul 06, 2004
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Total Visits: 681
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| SAGA Toolbox
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SaGA is a collection of functions dealing with various aspects of geometrical modeling and spatial data analysis.
Submitted Jul 01, 1999
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Total Visits: 483
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| Computational Mathematics
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Computational Mathematics: Models, Methods and Analysis with MATLAB and MPI.
Submitted Jun 06, 2005
by MATLAB Central
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Total Visits: 419
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| QMG
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The QMG package does finite element mesh generation in two and three dimensions. The package includes geometric modeling software, the mesh generator itself, and a finite element solver.
Submitted Jul 05, 1999
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Total Visits: 377
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| area.m
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Compute the area of any 2-d polygon.
Submitted Jul 19, 1999
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Total Visits: 302
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| sphangle.m
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Spherical angle and distance between 2 points on a unit sphere.
Submitted Jul 22, 1999
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Total Visits: 215
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| triangul.m
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Solve the problem: Given a nonsingular N by N matrix A, find P and Q such that A=P*Q, P and Q symmetric.
Submitted Jul 19, 1999
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Total Visits: 175
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