A Two-Level Preconditioned Helmholtz Subspace Iterative Method for Maxwell Eigenvalue Problems.

Qigang Liang Xuejun Xu

Published in: SIAM J. Numer. Anal. (2023)

Keyphrases

eigenvalue problems
low dimensional
principal component analysis
subspace learning
high dimensional data
subspace clustering
iterative methods
polynomial equations
feature extraction
linear subspace
conjugate gradient algorithm
data sets
dimensionality reduction
linear programming
sufficient conditions