Title :
A positive-definite matrix which is not extendible
Author :
Lang, Stephen W.
Author_Institution :
Schlumberger-Doll Research, Ridgefield, CT
fDate :
8/1/1984 12:00:00 AM
Abstract :
It has been noted that not all positive-semidefinite matrices are extendible in the multidimensional case. However, no example of such a matrix has been presented for a simple multidimensional analog of the one-dimensional time-series case. It is shown how such a matrix can be derived.
Keywords :
Acoustic signal processing; Fourier transforms; Multidimensional signal processing; Multidimensional systems; Polynomials; Power measurement; Speech processing;
Journal_Title :
Acoustics, Speech and Signal Processing, IEEE Transactions on
DOI :
10.1109/TASSP.1984.1164408