Timeline for Can a Krylov subspace method be used as a smoother for multigrid?
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Jan 19, 2012 at 19:55 | vote | accept | Paul | ||
| Jan 19, 2012 at 19:55 | vote | accept | Paul | ||
| Jan 19, 2012 at 19:55 | |||||
| Jan 17, 2012 at 15:17 | comment | added | Jed Brown | Paul I added a reference. @Jack Strictly speaking, the discrete operator should be SPD, but in practice, the methods tend to work as long as the spectrum is not too poorly distributed. | |
| Jan 17, 2012 at 15:13 | history | edited | Jed Brown | CC BY-SA 3.0 |
added 427 characters in body
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| Jan 17, 2012 at 14:50 | comment | added | Jack Poulson | @JedBrown: Do you mean "elliptic" in the PDE or bilinear form sense (i.e., do you mean that all of the eigenvalues of the operator or principal symbol are positive?)? I am assuming the latter since you are talking about point-block Jacobi. | |
| Jan 17, 2012 at 14:14 | comment | added | Paul | Can you suggest a good resource on polynomial and/or krylov smoothers? I've actually never heard of either :) | |
| Jan 17, 2012 at 13:56 | history | answered | Jed Brown | CC BY-SA 3.0 |