List of functions

This is a list of functions provided by QETLAB, arranged by category. If you would prefer an alphabetical list of all functions please see this page. Brief descriptions of these functions are provided here, as well as links to their documentation pages, where full details and numerous examples can be found.

Entanglement and Separability

• IsPPT:
• SchmidtDecomposition:
• SchmidtRank:
• SymmetricExtension:

Permutations and Symmetry of Subsystems

• AntisymmetricProjection:
• PermutationOperator:
• PermuteSystems:
• Swap:
• SwapOperator:
• SymmetricProjection:

Random Things

• RandomDensityMatrix:
• RandomStateVector:
• RandomSuperoperator:
• RandomUnitary: Generates a random unitary or orthogonal matrix

Special States

• WernerState: Produces a Werner state

Special Superoperators

• PartialTrace:
• PartialTranspose:

Miscellaneous

• Commutant:
• IsPSD:

Helper Functions

• opt_args:
• perm_sign: