Question: 6.13. Consider the 1-dimensional linear filtering problem (6.2.3), (6.2.4). Find E[] and E[(t)] . (Hint: Use Theorem 6.1.2 and use the definition of the
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![E[(t)] . (Hint: Use Theorem 6.1.2 and use the definition of the](https://dsd5zvtm8ll6.cloudfront.net/questions/2024/03/65f70a977e042_1710688917108.jpg)
6.13. Consider the 1-dimensional linear filtering problem (6.2.3), (6.2.4). Find E[] and E[(t)] . (Hint: Use Theorem 6.1.2 and use the definition of the mean square error S(t).) Theorem 6.1.2 Xt=Pk+(X+) = E[Xt|Gt] This is the basis for the general Fujisaki-Kallianpur-Kunita equation of fil- tering theory. See for example Bensoussan (1992), Davis (1984) or Kallianpur (1980).
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