6.10. Exercises for Chapter 6
Exercise 6.1. [WID 85]
An adaptive filter is characterized by:
– correlation matrix of data
– intercorrelation vector
and DK being the desired output
1) Give the cost expression .
2) Calculate the optimal vector .
3) Give the expression of minimum cost .
4) Calculate the values proper to R.
5) Determine the proper vectors in such a way that matrix Q of the proper vectors be “normalized” (that is to say QQT = I), these vectors representing the principal axes of the family of ellipses.
6) Give the limits of μ convergence parameter used in the algorithm of stochastic gradient.
Solution 6.1.
1) .
2) .
3) .
4) .
5) .
6) 0<μ<1/3.
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