2 papers
math.OC2019
Generalized low rank approximation to the symmetric positive semidefinite matrix
Haixia Chang, Chunmei Li, Qionghui Huang
In this paper, we investigate the generalized low rank approximation to the symmetric positive semidefinite matrix in the Frobenius norm: $$\underset{ rank(X)\leq k}{\min} \sum^m_{…
math.RA2019
Inverse eigenproblems and approximation problems for the generalized reflexive and antireflexive matrices with respect to a pair of generalized reflection matrices
Haixia Chang
A matrix is said to be a nontrivial generalized reflection matrix over the real quaternion algebra if and where means conjugat…