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subspace.m
Angle between subspaces.

casi 9 años hace | 4 descargas |

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majorization check
checks if X is (weakly) majorized by Y, where X and Y must be numeric arrays.

casi 9 años hace | 1 descarga |

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pcg.m with 'null' and 'flex' options
Preconditioned Conjugate Gradients handles homogeneous equations and nonsymmetric preconditioning

casi 9 años hace | 2 descargas |

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Best polynomial approximation in uniform norm
For a given function on an interval, the code calculates the min-max approximation by a polynomial.

casi 9 años hace | 6 descargas |

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ODE Tutorial Demo
Advanced examples of using the MATLAB Symbolic Math Toolbox for Ordinary Differential Equations

casi 9 años hace | 1 descarga |

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Newton's method done right
Newton's method for solving systems of nonlinear equations, including nonsquare and inconsistent

casi 9 años hace | 3 descargas |

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Laplacian in 1D, 2D, or 3D
Sparse (1-3)D Laplacian on a rectangular grid with exact eigenpairs.

casi 9 años hace | 4 descargas |

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eigs with sparse matrices
try my http://www.mathworks.com/matlabcentral/fileexchange/48-lobpcg-m instead

más de 12 años hace | 0

Respondida
Memory requirements of lobpcg: Matlab and hypre implementation differences
Have you actually tried the development version of SLEPc? The one that one gets by svn checkout http://www.grycap.upv.es/sle...

más de 12 años hace | 0

Respondida
Memory requirements of lobpcg: Matlab and hypre implementation differences
The development version of SLEPc incorporates BLOPEX now, see http://code.google.com/p/blopex/wiki/PETScInstallDevel so that yo...

más de 12 años hace | 0

Respondida
Memory requirements of lobpcg: Matlab and hypre implementation differences
Please try adding the following options to the ij driver: "-hmis -agg_nl 1 -interptype 6 -Pmx 4" These are proposed by a member ...

más de 12 años hace | 0

Respondida
Memory requirements of lobpcg: Matlab and hypre implementation differences
The lobpcg code in hypre is very similar to the MATLAB code, and uses about the same memory. The BoomerAMG preconditioner requir...

casi 13 años hace | 0

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Respondida
lobpcg returning incorrect results for large sparse symmetric matrices
Very slow convergence is an expected normal behavior of lobpcg for such a problem, without preconditioning. Unfortunately, I am ...

casi 13 años hace | 1

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matlab2hypre and hypre2matlab
Read and write files with sparse matrices and vectors in hypre format

casi 14 años hace | 1 descarga |