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LEAST MEAN SQUARE ALGORITHM


Posted by: projectsofme
Created at: Wednesday 24th of November 2010 05:13:27 AM
Last Edited Or Replied at :Monday 18th of April 2011 01:46:46 AM
lms algorithm in mathematics , least mean squares algorithm, linear minimum mean square error algorithms doc , mathematics, mathmatics , least mean square method problems, least mean square algorithm doc , least square algorithm, seminar least mean square algorithm , estimate the mean vector and the covariance matrix, least mean squares lms algorithms , mean square error algorithm, maths seminar topics square ,
= 2 (6.3)
The gradient vector in the above weight update equation can be computed as
∇(E{ew2(n)}) = - 2r + 2Rw(n) (6.4)
In the method of steepest descent the biggest problem is the computation involved in finding the values r and R matrices in real time. The LMS algorithm on the other hand simplifies this by using the instantaneous values of covariance matrices r and R instead of their actual values i.e.
R(n) = x(n)xh(n) (6.5)
r(n) = d*(n)x(n) (6.6)
Therefore the weight update can be given by the following equation,
w(n+1) = w(n) + μx(n)[d*(n) – xh(n)w(n) ..................[:=> Show Contents <=:]



LEAST MEAN SQUARE ALGORITHM


Posted by: projectsofme
Created at: Wednesday 24th of November 2010 05:13:27 AM
Last Edited Or Replied at :Monday 18th of April 2011 01:46:46 AM
lms algorithm in mathematics, least mean squares algorithm , linear minimum mean square error algorithms doc, mathematics , mathmatics, least mean square method problems , least mean square algorithm doc, least square algorithm , seminar least mean square algorithm, estimate the mean vector and the covariance matrix , least mean squares lms algorithms, mean square error algorithm , maths seminar topics square,
ented by their sample values)
From the method of steepest descent, the weight vector equation is given by ,
)})]({(2 (6.3)
The gradient vector in the above weight update equation can be computed as
∇(E{ew2(n)}) = - 2r + 2Rw(n) (6.4)
In the method of steepest descent the biggest problem is the computation in..................[:=> Show Contents <=:]



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