Definition of the Krylov subspace:
- Forms the theoretical foundation to compute eigenvalues and solve linear systems iteratively
- Arnoldi, Lanczos, Conjugate Gradients, etc
- One of the top 10 algorithms discovered in the 20th century
Dec 05, 20241 min read
Definition of the Krylov subspace:
K(A,q1,k)=span{q1,Aq1,A2q1,…,Ak−1q1}