shifted_diagonal_preconditioner: Shifted diagonal preconditioner.
In eigencore: Certified Partial Eigenvalue and Singular Value Computation
View source: R/preconditioners.R
shifted_diagonal_preconditioner R Documentation
Shifted diagonal preconditioner.
Description
Shifted diagonal preconditioner.
Usage
shifted_diagonal_preconditioner(A, shift = 0)
Arguments
A
Diagonal matrix or numeric vector containing the diagonal entries.
shift
Non-negative diagonal shift added before inversion.
Value
A typed native-backed preconditioner function mapping residual blocks
to preconditioned blocks.
eigencore documentation built on July 26, 2026, 1:06 a.m.
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View source: R/preconditioners.R
| shifted_diagonal_preconditioner | R Documentation |
Shifted diagonal preconditioner.
Description
Shifted diagonal preconditioner.
Usage
shifted_diagonal_preconditioner(A, shift = 0)
Arguments
A |
Diagonal matrix or numeric vector containing the diagonal entries. |
shift |
Non-negative diagonal shift added before inversion. |
Value
A typed native-backed preconditioner function mapping residual blocks to preconditioned blocks.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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