Hierarchical matrix: Difference between revisions

Revision as of 04:55, 16 April 2020

Revision as of 19:32, 12 May 2020

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Since the solution operator of an elliptic partial differential equation can be expressed as an integral operator involving

[[Green's function]], it is not surprising that the inverse of the stiffness matrix arising from the [[finite element method]]

and [[spectral method]]

can be approximated by a hierarchical matrix.