A matrix product representation library for Python

mpnum is a flexible, user-friendly, and expandable toolbox for the matrix product state/tensor train tensor format.

Documentation

• Introduction
  • Matrix product arrays
    • Graphical notation
    • Matrix product states (MPS)
    • Matrix product operators (MPO)
    • Local purification form MPS (PMPS)
    • General matrix product arrays
  • Next steps
  • References
• API reference
  • Module overview
  • mparray
  • mpstruct
  • factory
  • mpsmpo
    • Definitions
      • Matrix product state (MPS)
      • Matrix product operator (MPO)
      • Locally purified matrix product state (PMPS)
  • linalg
  • povm
    • povm.mppovm
      • Linear combinations of functions of POVM outcomes
      • Class and function reference
    • povm.localpovm
  • special
  • utils
    • utils.array_transforms
    • utils.extmath
    • utils.physics
  • Todo list (autogenerated)
• Introductory Notebook to mpnum
  • MPA and MPS basics
  • MPO basics
  • MPO-MPS product and arbitrary MPA-MPA products
  • Converting full operators to MPOs
  • Creating MPAs from Kronecker products
  • Compression
  • MPO sum of local terms
  • MPS, MPOs and PMPS
  • Local reduced states
• Development & Contributing
  • Code style
  • Unit tests
  • Test coverage
  • Benchmark tests
  • Building the documentation
• Fork mpnum on Github

Indices and tables

• Index
• Module Index