On monotonic estimates of the norm of the minimizers of regularized quadratic functions in Krylov spaces

We show that the minimizers of regularized quadratic functions restricted to their natural Krylov spaces increase in Euclidean norm as the spaces expand.

Dettagli Bibliografici
Autori principali: Cartis, C, Gould, NIM, Lange, M
Natura: Journal article
Lingua:English
Pubblicazione: Springer Nature 2019
Descrizione
Riassunto:We show that the minimizers of regularized quadratic functions restricted to their natural Krylov spaces increase in Euclidean norm as the spaces expand.