On the equality between rank and trace of an idempotent matrix.

Oskar Maria Baksalary Dennis S. Bernstein Götz Trenkler

Published in: Appl. Math. Comput. (2010)

Keyphrases

singular values
nuclear norm minimization
covariance matrix
singular value decomposition
image processing
information retrieval
feature selection
low rank
optimal solution
pairwise
principal component analysis
rank aggregation
rank order