Title :
Randomised pseudo-skeleton approximation and its application in electromagnetics
Author :
Zhu, Xinen ; Lin, Weisi
Author_Institution :
Signal Innovations Group, Inc., Durham, NC, USA
Abstract :
A very simple and efficient algorithm called randomised pseudo-skeleton approximation is proposed for the decomposition of a low-rank matrix. The complexity of the algorithm is O(r3), where r is the rank of the matrix. Comparison with the adaptive cross-approximation method is presented to show its validity and efficiency.
Keywords :
approximation theory; electromagnetic field theory; matrix algebra; electromagnetics; low-rank matrix; randomised pseudo-skeleton approximation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2011.0616
