Appendix B
We are going to arrive at this result starting from the definition and by using the expression of the function K already obtained.
NOTE.– Different from the calculation developed in section 7.3.6 we will not show that obtained is minimal.
Another way of showing the following result:
Demonstration
Starting from the definition of the covariance matrix of the filtering error, i.e.:
It becomes with and
So
Let us now use these results to calculate
We observe that:
but Ij ⊥ IK and ...
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