Struct PersistentBettiNumbers 

pub struct PersistentBettiNumbers {
    pub pairs: Vec<Vec<(f64, f64)>>,
}

Persistent Betti numbers at a given threshold.

Fields

pairs: Vec<Vec<(f64, f64)>>

Persistence diagram: list of (birth, death) pairs per dimension.

Implementations

impl PersistentBettiNumbers

pub fn new(pairs: Vec<Vec<(f64, f64)>>) -> Self

pub fn betti_at(&self, k: usize, t: f64) -> usize

Betti number β_k at threshold t: count of pairs (b,d) with b<=t<d.

pub fn total_persistence(&self, k: usize) -> f64

Total persistence of dimension k: Σ (d - b).

pub fn bottleneck_approx(&self, other: &Self, k: usize) -> f64

Bottleneck distance approximation (naive, O(n^2)).

Trait Implementations

impl Clone for PersistentBettiNumbers

fn clone(&self) -> PersistentBettiNumbers

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PersistentBettiNumbers

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

Formats the value using the given formatter.