shifted_tridiagonal_preconditioner: Shifted tridiagonal preconditioner.
In eigencore: Certified Partial Eigenvalue and Singular Value Computation
View source: R/preconditioners.R
shifted_tridiagonal_preconditioner R Documentation
Shifted tridiagonal preconditioner.
Description
Shifted tridiagonal preconditioner.
Usage
shifted_tridiagonal_preconditioner(A, shift = 0)
Arguments
A
Real symmetric tridiagonal matrix.
shift
Non-negative diagonal shift added to the tridiagonal system.
Value
A typed 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_tridiagonal_preconditioner | R Documentation |
Shifted tridiagonal preconditioner.
Description
Shifted tridiagonal preconditioner.
Usage
shifted_tridiagonal_preconditioner(A, shift = 0)
Arguments
A |
Real symmetric tridiagonal matrix. |
shift |
Non-negative diagonal shift added to the tridiagonal system. |
Value
A typed 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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