Concept information
Preferred term
multigrid method
Definition(s)
- In numerical analysis, a multigrid method (MG method) is an algorithm for solving differential equations using a hierarchy of discretizations. They are an example of a class of techniques called multiresolution methods, very useful in problems exhibiting multiple scales of behavior. For example, many basic relaxation methods exhibit different rates of convergence for short- and long-wavelength components, suggesting these different scales be treated differently, as in a Fourier analysis approach to multigrid. MG methods can be used as solvers as well as preconditioners. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Multigrid_method)
Broader concept(s)
Synonym(s)
- multigridding
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/MDL-Q4ZFL03M-D
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