Issues

• Several tests run forever

  XanaduAI/thewalrus#411 · Filter by author yurivict opened on Aug 6, 2026
  2

• Functions density_matrix_element and pure_state_amplitude funcitons give complex conjugated density matrix elements

  bug
  XanaduAI/thewalrus#410 · Filter by author dkgrbl opened on Jun 8, 2026
  3

• weird "fit" and graph in Tutorials > Benchmarking the Permanent

  XanaduAI/thewalrus#408 · Filter by author m-f-h opened on Nov 27, 2025
  1

• Glynn method has an weird prefactor

  XanaduAI/thewalrus#376 · Filter by author hsgyc opened on Jan 1, 2024
  1

• Default method fails on poorly conditioned matrices

  bug
  XanaduAI/thewalrus#369 · Filter by author jacobhilton opened on Jun 30, 2023
  4

• Banded hafnian algorithm

  enhancement
  XanaduAI/thewalrus#345 · Filter by author changhun0218 opened on Jun 2, 2022
  1

• n_body_marginals is not symmetric

  bug
  XanaduAI/thewalrus#336 · Filter by author ziofil opened on Mar 8, 2022

• Optional arguments in passive_transformation

  enhancement
  XanaduAI/thewalrus#327 · Filter by author thisac opened on Feb 8, 2022

• The Qmat functions is off by a complex conjugate

  bug
  XanaduAI/thewalrus#318 · Filter by author nquesada opened on Jan 13, 2022

• Recursive calculation of threshold probabilitites

  enhancement
  XanaduAI/thewalrus#272 · Filter by author nquesada opened on Aug 12, 2021
  4

• Random interferometer is already implemented in scipy

  enhancementgood first issue
  XanaduAI/thewalrus#254 · Filter by author nquesada opened on Jun 29, 2021

• [unitaryhack] Improve the calculation of multidimensional hermite polynomials

  C++enhancementunitaryhack
  XanaduAI/thewalrus#214 · Filter by author nquesada opened on Oct 27, 2020
  10

• Build/package The Walrus using PEP 517/518

  dependenciespython
  XanaduAI/thewalrus#192 · Filter by author josh146 opened on Aug 21, 2020
  2

• Improve presentation of sampling algorithms

  documentation
  XanaduAI/thewalrus#89 · Filter by author nquesada opened on Nov 13, 2019
  2

• New states in The Walrus gallery

  documentationgood first issue
  XanaduAI/thewalrus#87 · Filter by author nquesada opened on Nov 13, 2019
  1

• Add documentation on embedding matrices into GBS

  documentation
  XanaduAI/thewalrus#67 · Filter by author nquesada opened on Oct 3, 2019
  1

  

• Allow user to choose algorithm in hafnian wrapper

  enhancementpython
  XanaduAI/thewalrus#41 · Filter by author josh146 opened on Aug 24, 2019
  1