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### What is your issue?
I would like to use Quimb as a backend for an MPS-based quantum circuit simulator. When running a circuit such as
```
import quimb.tensor as qtn
import numpy as np
cnot…
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We add the support for the benchmarking of tensor network backend in simulation. First quimb, then cuQuantum.
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**Description of the issue**
The `test_notebooks_against_cirq_head[.../quimb/Contract-a-Grid-Circuit.ipynb]` fails mysteriously on the CI after bumping up requirements for compatibility with Python…
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### What is your issue?
Hello,
When running through [this example](https://quimb.readthedocs.io/en/latest/examples/ex_distributed_shift_invert.html), I get the following error when trying to run `…
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### What is your issue?
Good day,
I'm attempting to tackle the QAOA problem on a sparse graph. The code performs effectively when applied to smaller graphs with N=80 nodes. However, when dealing wit…
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### What happened?
I tried to build the docs locally in a fresh clone and virtualenv:
```sh
git clone [...]
cd quimb/docs
pip install '..[docs]'
make html
```
but I received an error.
…
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### minimization of expectation value
The following minimal example
```
import quimb as qu
import quimb.tensor as qtn
L = 3
Z = qu.pauli('X')
bond_dim = 4
mps = qtn.MPS_rand_state(L, bon…
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Hi @jcmgray, I've been having some trouble using the `TNOptimizer` for complex-valued networks using `tensorflow` backend. I'm attaching an example where optimizing a small PEPS crashes if we try to d…
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In https://github.com/dgasmith/opt_einsum/issues/217#issuecomment-1620525115, @jcmgray stated that running `cotengra` optimization via `oe.contract_path(expression, *operands, optimize=opt)` (where `o…
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### Is your feature request related to a problem?
The idea was already mentioned in #52 but there a complete redesign of the MPI launcher was discussed.
My feature request is shorter and more goal-o…