Transformations

Tenet.transform! Function

transform!(tn::TensorNetwork, config::Transformation)
transform!(tn::TensorNetwork, configs)

In-place version of transform.

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Tenet.transform Method

transform(tn::TensorNetwork, config::Transformation)
transform(tn::TensorNetwork, configs)

Return a new TensorNetwork where some Transformation has been performed into it.

See also: transform!.

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Tenet.AntiDiagonalGauging Type

AntiDiagonalGauging <: Transformation

Reverse the order of tensor indices that fulfill the anti-diagonal condition. While this transformation doesn't directly enhance computational efficiency, it sets up the TensorNetwork for other operations that do.

Keyword Arguments

• atol Absolute tolerance. Defaults to 1e-12.

• skip List of indices to skip. Defaults to [].

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Tenet.ContractSimplification Type

ContractSimplification <: Transformation

Preemptively contract tensors whose result doesn't increase in size.

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Tenet.DiagonalReduction Type

DiagonalReduction <: Transformation

Reduce the dimension of a Tensor in a TensorNetwork when it has a pair of indices that fulfil a diagonal structure.

Keyword Arguments

• atol Absolute tolerance. Defaults to 1e-12.

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Tenet.HyperFlatten Type

HyperFlatten <: Transformation

Convert hyperindices to COPY-tensors, represented by DeltaArrays. This transformation is always used by default when visualizing a TensorNetwork with plot.

See also: HyperGroup.

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Tenet.HyperGroup Type

HyperGroup <: Transformation

Convert COPY-tensors, represented by DeltaArrays, to hyperindices.

See also: HyperFlatten.

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Tenet.SplitSimplification Type

SplitSimplification <: Transformation

Reduce the rank of tensors in the TensorNetwork by decomposing them using the Singular Value Decomposition (SVD). Tensors whose factorization do not increase the maximum rank of the network are left decomposed.

Keyword Arguments

• atol Absolute tolerance. Defaults to 1e-10.

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Tenet.Truncate Type

Truncate <: Transformation

Truncate the dimension of a Tensor in a TensorNetwork when it contains columns with all elements smaller than atol.

Keyword Arguments

• atol Absolute tolerance. Defaults to 1e-12.

• skip List of indices to skip. Defaults to [].

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