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Questions related from Xian-Ming Gu
Recently, I obtain a linear system, $Ax = b$, where $A$ is a nonsingular, strictly diagonally dominant $M$-matrix. Then I also got a matrix splitting $A = S - T$, where $S$ is also a nonsingular,...
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Recently, I get a question about the convergence of some implicit difference scheme (e.g., Crank-Nicolson method) for (1D) time-dependent PDEs, such as heat equation and convection-diffusion...
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Hello, everyone, Recently, I have a confused question about write matlab codes of restarted gmres. Initially, I want to use the gmres.m (*) provided by the website. This codes seem to be popular...
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Hi, everyone, Do you know some good MATLAB subroutines (direct solvers) for solving nonsymmetric Toeplitz linear systems ? I note that most direct solvers are only suitable for symmetric Toeplitz...
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Are there some Matlab codes of FEM for discretizing the three-dimensional Helmholtz equation with first order Sommerfeld boundary conditions? Certainly, the FEniCS package (or other C++ -based...
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I want to compute several smallest eigenpairs of a Hankel matrix, I want to how fast I can do it? Or are there some papers/references for (Super)fast methods for computing a few smallest...
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