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Computational geometry

Examplary MATLAB Codes for the Boundary Knot Method Update Link / Bad Link? 
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
Rating: (1 Ratings)   Rate this link Total Visits: 681
 
SAGA Toolbox Update Link / Bad Link? 
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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Computational Mathematics Update Link / Bad Link? 
Computational Mathematics: Models, Methods and Analysis with MATLAB and MPI.
Submitted Jun 06, 2005 by MATLAB Central
Rating: N/A (1 Ratings)   Rate this link Total Visits: 419
 
QMG Update Link / Bad Link? 
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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area.m Update Link / Bad Link? 
Compute the area of any 2-d polygon.
Submitted Jul 19, 1999
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sphangle.m Update Link / Bad Link? 
Spherical angle and distance between 2 points on a unit sphere.
Submitted Jul 22, 1999
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triangul.m Update Link / Bad Link? 
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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