Sergio Sánchez Ramírez comments

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                                            Sergio Sánchez Ramírez

Enhance `replace!(tn::TensorNetwork, ...)` function for more flexible `Tensor` replacements

> Update: this can be already implemented But we haven't discussed the semantics yet... I have concerns on adding new labels not in the Tensor Network (or renaming) or resizing...

Enhance `replace!(tn::TensorNetwork, ...)` function for more flexible `Tensor` replacements

@jofrevalles I think we can close this since we now have `@unsafe_region` right?

Lazy builders

I like the idea of having these kind of constructors, but not this way nor with these names. We can write another proposal when I'm back.

Lazy builders

We can still add a constructor for Pauli strings like `Product("001+")` if you want

replace(!)(::Chain, tensor => newtensor) only works for tensors of the same size

This is currently intentional: Indices should have the same size on replacement. But you could try using `@unsafe_region` macro; it makes `push!` skip index size check until the end of...

replace(!)(::Chain, tensor => newtensor) only works for tensors of the same size

About the first error, it fails because `@unsafe_region` just postpones the check, but you need to replace all the tensors with the index which you have modified the size. The...

replace(!)(::Chain, tensor => newtensor) only works for tensors of the same size

Ahh okay. That's clearly a bug.

Implement identity initialization of `Chain`

@emapuljak can you help me with this one?

`TensorNetwork.replace!` raises `UndefVarError: P not defined` in Tenet v0.7.3

Thanks for the report @marcosdiezgarcia! We're now on vacations so we won't be able to properly fix and publish a new version until early September. Meanwhile, you can get the...

`TensorNetwork.replace!` raises `UndefVarError: P not defined` in Tenet v0.7.3

@marcosdiezgarcia The problem should be solved in v0.7.4