Reference Books:
*Lennart Ljung, System Identification - Theory for the user, 2nd ed, PTR prentice Hall, Upper Saddle River, N.J. 1999
*Knight, Keith: Mathematical Statistics, Chapman and Hall 2000
*Widrow B & Searns S., Adaptive Signal Processing, Prentice Hall, 1985
*Rangarajan K. Sundaram, A First Course in Optimisation Theory.
*H, Schneider and G.P. Barker, Matrices and Linear Algebra, Dover, 1989
*Carl D. Meyer, Matrix Analysis and Applied Linear Algebra.
*David G. Luenberger, Optimization by Vector Space Methods