anisotropic_fbm_particle_intensity {AIUQ} | R Documentation |
Simulate 2D particle trajectory follows anisotropic fraction Brownian Motion(fBM) for
M
particles, with different step sizes in x, y-directions.
anisotropic_fbm_particle_intensity(pos0, M, len_t, sigma, H)
pos0 |
initial position for |
M |
number of particles |
len_t |
number of time steps |
sigma |
distance moved per time step in x, y-directions, a vector of length 2 |
H |
Hurst parameter in x, y-directions, a vector of length 2, value between 0 and 1 |
Position matrix with dimension M
\times
len_t
by 2 for particle trajectory. The first M
rows being the initial position
pos0
.
Yue He [aut], Xubo Liu [aut], Mengyang Gu [aut, cre]
library(AIUQ)
M = 10
len_t = 50
sigma = c(2,1)
H = c(0.3,0.4)
pos0 = matrix(100/8+0.75*100*runif(M*2),nrow=M,ncol=2)
pos = anisotropic_fbm_particle_intensity(pos0=pos0,M=M,len_t=len_t,sigma=sigma,H=H)