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In the article of Topological Based Representation(Page no. 12), the equation of the Linear Gaussian system dynamics is given as

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In above equation what is the meaning of 'curly N'?

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They are modeling the probability as a normal distribution with the given mean and variance.

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  • $\begingroup$ So do u mean that mean = (At*xt-1 + at) and variance = Wt ? @SteveO $\endgroup$ – vacky Mar 31 '16 at 15:54
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    $\begingroup$ Yes, for $x_t$. $\endgroup$ – SteveO Mar 31 '16 at 16:27

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