Golub-Kahan bidiagonalization method descriptor.

Golub-Kahan bidiagonalization method descriptor.

Usage

golub_kahan(max_subspace = NULL, reorthogonalize = TRUE)

Arguments

max_subspace

Optional maximum Krylov subspace size (the ARPACK ncv); fixes the subspace instead of the default adaptive growth.

reorthogonalize

Whether to apply full two-sided reorthogonalization. FALSE selects the native one-sided small-side policy where supported, with final acceptance still controlled by the exact two-sided certificate.

Value

An eigencore_method descriptor selecting Golub-Kahan bidiagonalization.