Function sim_farma 

pub fn sim_farma(
    n: usize,
    argvals: &[f64],
    ar_ops: &[Vec<f64>],
    ma_ops: &[Vec<f64>],
    burn_in: usize,
    seed: u64,
) -> Result<FarmaResult, FdarError>

Simulate a functional ARMA (FARMA) process combining AR and MA operator terms.

FARMA is the combined AR+MA case of the functional operator recurrence; this is a thin named entry point over the shared sim_fvarma recurrence and is bit-identical to sim_fvarma for identical inputs. See sim_fvarma for the recurrence, stationarity responsibility, and R-baseline divergence.

Errors

Same as sim_fvarma.