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math.NA2015★ 1 cited
Inexact Krylov Subspace Algorithms for Large Matrix Exponential Eigenproblem from Dimensionality Reduction
Gang Wu, Ting-ting Feng, Li-jia Zhang +1
Matrix exponential discriminant analysis (EDA) is a generalized discriminant analysis method based on matrix exponential. It can essentially overcome the intrinsic difficulty of sm…
math.NA2015
Inexact Shift-and-Invert Arnoldi for Toeplitz Matrix Exponential
Ting-ting Feng, Gang Wu, Yimin Wei
We revisit the shift-and-invert Arnoldi method proposed in [S. Lee, H. Pang, and H. Sun. {\it Shift-invert Arnoldi approximation to the Toeplitz matrix exponential}, SIAM J. Sci. C…
math.NA2014★ 2 cited
A theoretical contribution to the fast implementation of null linear discriminant analysis method using random matrix multiplication with scatter matrices
Ting-ting Feng, Gang Wu
The null linear discriminant analysis method is a competitive approach for dimensionality reduction. The implementation of this method, however, is computationally expensive. Recen…