Hamzi - Eurandom
Hamzi - Eurandom
Hamzi - Eurandom
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Parameter Estimation for SDEs<br />
• It is reasonable to assume that the diffusion coefficient is known up to a<br />
multiplicative factor g(x; θ) = θg(x) with θ being an unknown parameter<br />
and g is known here. In this case we estimate θ via the quadratic variation<br />
of the path estimator ˆ θ<br />
ˆθ =<br />
∑n−1 i=0<br />
(Xti+1 − Xti )2<br />
∫ t<br />
0 g(Xs) ds<br />
. . . . . .<br />
Boumediene <strong>Hamzi</strong> (Imperial College) On Control and RDS in RKHS June 4th, 2012 51 / 55