Struct HmmGaussian 

pub struct HmmGaussian {
    pub n_states: usize,
    pub dim: usize,
    pub pi: Vec<f64>,
    pub a: Vec<f64>,
    pub means: Vec<f64>,
    pub vars: Vec<f64>,
}

Gaussian-emission HMM with diagonal covariance per state.

• means[i*dim + d] — mean of dim d for state i
• vars[i*dim + d] — variance (diagonal) of dim d for state i

Fields

n_states: usize

dim: usize

pi: Vec<f64>

a: Vec<f64>

means: Vec<f64>

vars: Vec<f64>

Implementations

impl HmmGaussian

pub fn new( n_states: usize, dim: usize, pi: Vec<f64>, a: Vec<f64>, means: Vec<f64>, vars: Vec<f64>, ) -> SeqResult<Self>

Construct a Gaussian HMM, validating shapes and probabilistic invariants.

pub fn log_emission(&self, state: usize, x: &[f64]) -> SeqResult<f64>

Log Gaussian-emission density log N(x_t | μ_j, diag(σ²_j)).

pub fn log_trans(&self, i: usize, j: usize) -> SeqResult<f64>

Log transition log A_ij.

pub fn log_init(&self, i: usize) -> SeqResult<f64>

Log initial probability log π_i.

Trait Implementations

impl Clone for HmmGaussian

fn clone(&self) -> HmmGaussian

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for HmmGaussian

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.