Calculates the PDF of the distance a particle has moved when it hits a
barrier, for a particle moving with 1D Brownian motion with movement rate
paramter exp(theta3)
and drift speed spd
towards the barrier,
when the barrier is initially at a distance k*spd
away.
1 | dfd(fd, k, spd, theta3)
|
fd |
The hitting time |
k |
The hitting time if the particle did not move. |
spd |
The speed at which the barrier drifts. |
theta3 |
The log of the Brownian motion rate parameter. |
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