Qiskit-ignis

Changelog
Deprecated
- Migrate Quantum Volume circuits to use circuit library (460)

Added
- Migrate Quantum Volume circuits to use circuit library (460)
- Refactor RB code to use the new Clifford operator class and update the CNOTDihedral class (407)

Changed
- Refactor RB code to use the new Clifford operator class and update the CNOTDihedral class (407)

Fixed
- Fix measurement pulse alignment bug (466)
- Tomography multiple jobs fix (421)
- fixed partial trace constraint in cvx fitting routine (438)
- Add scikit-learn dependency and add CI job without optional dependencies (436)
- Fix fitter selection logic in process tomography (431)
- Fix issues with CVXPY default solvers (422)
- Raising error when incompatible inputs are passed to mitigation (420)
- Edge case T=0 syndrome measurements fixed (418)
- Fixed marginal_counts (409)
- Gate Set Tomography handling of initial state and measurement operator (408)
- logging: fix broken reference (385)

Changelog
Fixed
- fixed partial trace constraint in cvx fitting routine (438) (440)
- Add scikit-learn dependency and add CI job without optional dependencies (436) (439)
- Fix fitter selection logic in process tomography (431) (435)

Changelog
Fixed
- Revert accidental breaking backports (427)

Changelog
Fixed
- Fix issues with CVXPY default solvers (422)
- Raising error when incompatible inputs are passed to mitigation (420)
- Edge case T=0 syndrome measurements fixed (418)
- Fixed marginal_counts (409)
- Gate Set Tomography handling of initial state and measurement operator (408)
- logging: fix broken reference (385)

Added
-----

- API documentation (345, 346, 347, 348, 353)
- CNOT-Dihedral randomized benchmarking (296)
- Accreditation module for output accrediation of noisy devices (252,
325, 329)
- Pulse calibrations for single qubits (292, 302, 303, 304)
- Pulse Discriminator (238, 278, 297, 316)
- Entanglement verification circuits (328)
- Gateset tomography for single-qubit gate sets (330)
- Adds randomized benchmarking utility functions `calculate_1q_epg`,
`calculate_2q_epg` functions to calculate 1 and 2-qubit error per gate
from error per Clifford (335)
- Adds randomized benchmarking utility functions `calculate_1q_epc`,
`calculate_2q_epc` for calculating 1 and 2-qubit error per Clifford
from error per gate (368)

Changed
-------

- Support integer labels for qubits in tomography (359)
- Support integer labels for measurement error mitigation (359)

Deprecated
----------

- Deprecates `twoQ_clifford_error` function. Use `calculate_2q_epc`
instead.
- Python 3.5 support in qiskit-ignis is deprecated. Support will be
removed on the upstream python community's end of life date for the
version, which is 09/13/2020.

Changelog

Added

- Logging Module
- Purity RB
- Interleaved RB
- Repetition Code for Verification

Changed

- Apply measurement mitigation in parallel when applied to multiple results
- Add multiple results to measurement mitigation
- Fixed bug in RB fit error
- Updates for Terra Qubit class
- Added the ability to add arbitrary seeds to RB (not just in order)
- Fix bug in the characterization fitter when selecting a qubit index to fit
- Improved guess values for RB fitters and enabled the user to input their own guess values