Struct SparseCode 

pub struct SparseCode {
    pub dimension: usize,
    pub active: HashMap<usize, f64>,
    pub target_sparsity: f64,
}

Sparse code representation

Fields

dimension: usize

Dimension of the code

active: HashMap<usize, f64>

Active indices and their values

target_sparsity: f64

Target sparsity level

Implementations

impl SparseCode

pub fn new(dimension: usize, target_sparsity: f64) -> Self

Create empty sparse code

pub fn from_dense(values: &[f64], target_sparsity: f64) -> Self

Create from dense vector

pub fn to_dense(&self) -> Vec<f64>

Convert to dense vector

pub fn sparsity(&self) -> f64

Get actual sparsity

pub fn l1_norm(&self) -> f64

Get L1 norm

pub fn l2_norm(&self) -> f64

Get L2 norm

pub fn dot(&self, other: &SparseCode) -> f64

Dot product with another sparse code

pub fn cosine_similarity(&self, other: &SparseCode) -> f64

Cosine similarity with another sparse code

pub fn add(&self, other: &SparseCode) -> SparseCode

Add two sparse codes

pub fn scale(&self, factor: f64) -> SparseCode

Scale sparse code

Trait Implementations

impl Clone for SparseCode

fn clone(&self) -> SparseCode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SparseCode

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for SparseCode

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for SparseCode

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.