Struct TensorCI1 

pub struct TensorCI1<T: Scalar + TTScalar> { /* private fields */ }

State object for the one-site TCI algorithm (legacy).

Prefer TensorCI2 for new code. TensorCI1 uses [MatrixACA] for pivot selection and performs one-site updates (one index at a time).

Implementations

impl<T: Scalar + TTScalar + Default> TensorCI1<T>

pub fn new(local_dims: Vec<usize>) -> Self

Create a new empty TensorCI1

pub fn len(&self) -> usize

Number of sites

pub fn is_empty(&self) -> bool

Check if empty

pub fn local_dims(&self) -> &[usize]

Get local dimensions

pub fn rank(&self) -> usize

Get current rank (maximum bond dimension)

pub fn link_dims(&self) -> Vec<usize>

Get bond dimensions

pub fn last_sweep_pivot_error(&self) -> f64

Get the maximum pivot error from the last sweep

pub fn site_tensor(&self, p: usize) -> Tensor3<T>

Get site tensor at position p (T * P^{-1})

pub fn site_tensors(&self) -> Vec<Tensor3<T>>

Get all site tensors

pub fn to_tensor_train(&self) -> Result<TensorTrain<T>>

Convert to TensorTrain

pub fn max_sample_value(&self) -> f64

Get maximum sample value

pub fn evaluate(&self, indices: &[usize]) -> Result<T>

Evaluate the TCI at a specific set of indices

pub fn i_set(&self, p: usize) -> &IndexSet<MultiIndex>

Get I set for a site

pub fn j_set(&self, p: usize) -> &IndexSet<MultiIndex>

Get J set for a site

Trait Implementations

impl<T: Clone + Scalar + TTScalar> Clone for TensorCI1<T>

fn clone(&self) -> TensorCI1<T>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T: Debug + Scalar + TTScalar> Debug for TensorCI1<T>

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

Formats the value using the given formatter.