48 search results - page 6 / 10 » Discrete Laplace-Beltrami operators and their convergence |
SIAMSC
2008
13 years 7 months ago
2008
A nine point scheme is presented for discretizing diffusion operators on distorted quadrilateral meshes. The advantage of this method is that highly distorted meshes can be used wi...
SIAMSC
2010
13 years 5 months ago
2010
The radiative transfer equation (RTE) occurs in a wide variety of applications. In this paper, we study discrete-ordinate discontinuous Galerkin methods for solving the RTE. The nu...
JSCIC
2007
13 years 7 months ago
2007
We present a new preconditioner for the iterative solution of linear systems of equations arising from discretizations of systems of first order partial differential equations (P...
ITCC
2000
IEEE
13 years 11 months ago
2000
IEEE
Using the operational matrix of an orthogonal function to perform integration for solving, identifying and optimizing a linear dynamic system has several advantages: (1) the metho...
JAT
2007
13 years 7 months ago
2007
We derive new convergence results for the Schoenberg operator and more general quasi-interpolation operators. In particular, we prove that natural conditions on the generator func...