Statistically independent successive steps with following transition probability.
#[allow(non_snake_case)]
fn W(i: i64, j: i64) -> f64 {
if (i - j).abs() == 1 {
0.5
} else {
0.0
}
}It can be simply implemented via Bernoulli distribution.
# Just run
cargo run --release
# Plot
python nc_plot.py