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Comments on "Covariance shaping least-squares estimation"

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1 Author(s)
Tong Zhou ; Dept. of Autom., Tsinghua Univ., Beijing, China

A routine linear algebra-based derivation is provided for the optimal estimate in a parametric estimation problem, which is a little more general than that discussed in the above paper. Compared with the procedure adopted by Eldar and Oppenheim, it is more direct and simple and, therefore, easier to be understood. Moreover, the optimal estimate is expressed in a more computationally attractive form, and the results of Eldar and Oppenheim can be regarded as a special case.

Published in:

IEEE Transactions on Signal Processing  (Volume:52 ,  Issue: 10 )