cfanim uses a stochastic model of speed to describe driver's ability to maintain a speed u.cfanim uses a stochastic model of speed to describe driver's ability to maintain a speed u.
cfanim(umn, usd, tup, dt)mean speed (mph), a number
standard deviation of umn, a number
upper time range, a number
time-step, a number
The cfanim function returns information for a single vehicle
used to analyze the effects of traffic noise on car-following.
The function uses a stochastic traffic noise model, a Brownian motion or Wiener W model.