Hui Zhang

498 reputation

bio	website
	location	Geneva, Switzerland
	age	33
visits	member for	1 year, 4 months
	seen	yesterday
stats	profile views	25

I'm a postdoc at University of Geneve. My research interest is domain decomposition method, waveform relaxation, and multigrid. I'm currently solving the Helmholtz equation under supervision of Martin J. Gander.

	498 reputation	bio	website		visits	member for	1 year, 4 months
17 badges		location	Geneva, Switzerland		seen	yesterday

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9 Questions

votes activity newest

8	Stopping criteria for iterative linear solvers applied to nearly singular systems
5	Multiply Multiple Sparse Matrices
5	How to do FEM in sector elements?
4	Do I need KSPSetOperators after PCSetOperators?
3	Petsc's xxxSetxxx methods: Own Pointer or Copy Values?

498 Reputation

+5	Is there MPI_Star instead of MPI_Win (window) for MPI_Get?
+10	FEM for non-divergence form elliptic equation
+10	What are Implications of Commutative Diagrams?
+10	What is the advantage of multigrid over domain decomposition preconditioners, and vice versa?

7 Answers

votes activity newest

4	Safe application of iterative methods on diagonally dominant matrices
4	What is the advantage of multigrid over domain decomposition preconditioners, and vice versa?
3	Jacobi iteration to reduce the quadratic function
3	How do I read a binary file into PETSc as a matrix?
2	Examples of PDE computations using parallelism in both space and time

24 Tags

7 linear-algebra × 4	5 multigrid × 2
7 pde × 4	5 domain-decomposition × 2
7 optimization × 3	5 preconditioning × 2
7 iterative-method × 3	4 linear-solver
7 matrices × 2	3 petsc × 5