Calculates the average speed E(displacement/time) of a particle doing
Brownian motion with movement rate paramter sigmarate
, over a time
period lag
.
Uses the fact that the expected value of a Chi random variable is sqrt(2)/gamma(0.5).
1 |
sigmarate |
The Brownian motion with movement rate paramter |
lag |
The time over which the average speed is required. |
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