public class JacobiPreconditioner extends Object implements Preconditioner
Constructor and Description |
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JacobiPreconditioner(Matrix A)
Construct a Jacobi preconditioner.
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Modifier and Type | Method and Description |
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Vector |
solve(Vector x)
Return P-1x, where P is the diagonal matrix
of A.
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Vector |
transposeSolve(Vector x)
Pt = P-1 for Jacobi preconditioner.
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public JacobiPreconditioner(Matrix A)
A
- a coefficient matrixpublic Vector solve(Vector x)
vi = xi / Ai,i
solve
in interface Preconditioner
x
- a vectorpublic Vector transposeSolve(Vector x)
transposeSolve
in interface Preconditioner
x
- a vectorCopyright © 2010-2020 NM FinTech Ltd.. All Rights Reserved.