Changelog

Fixed

• Remove overly aggressive pinning from requirements (#1605)
• Handle symengine based parameter expressions (#1586)

Changelog

Fixed

• Fix migration guide and code msgs for aqua_globals (#1566)

Changelog

The Qiskit Aqua package has been deprecated.

Changelog

Fixed

• Fix for DOCplex 2.20 (#1520)
• Remove dependency on internal DOCplex methods (#1441)
• Remove DeprecationWarning of np.int, np.float, np.bool, np.complex ( #1517)
• Fix Grover operator usage in AE (#1502)
• Add support for python 3.9 (#1504)
• Deal with both old and new locations of Var of docplex (#1522)

Changelog

Fixed

• Don't add Hadamards to a user-defined initial state in QAOA (#1362)
• Fix chemistry renos and move 0.8 renos to a subfolder (#1369)
• QSVM L2 Reg. introduction for convergence and over-fitting issue (#1378)
• Message enhancement in MatrixOp init (#1380)
• Use PassManager in QuantumInstance transpile (#1382)
• Allow Noise Simulation for simulator backends (#1384)
• Fix opflow bugs (#1390)
• qGAN - PyTorch Discriminator Fix (#1391)
• Fix for Incorrect translation of integer variables in ADMMOptimizer (#1393)
• Change logger level to debug (#1395)
• Failure on PSI4 CI (#1396)
• Fix seed_simulator=0 in the quantum instance (#1410)
• Fix code trying to iterate NoneType (#1414)
• DOCplex has removed one_letter_symbol() from VarType causing problems in Aqua optimization module (#1420)

Changelog

Deprecated

• Bosonic algorithms and support for Chemistry (#1356)
• Deprecate the CircuitFactory and derived types (#1348)
• Ground state interface (#1288)
• Make QGAN run primarily on circuits (#1341)
• Deprecate the WeightedSumOperator (#1307)
• Properly deprecate quadratic program ising converter classes (#1178)

Added

• Bosonic algorithms and support for Chemistry (#1356)
• Excited States algorithms and support for Chemistry (#1354)
• BOPES Sampler algorithm for Chemistry (#1352)
• Orbital Optimization VQE algorithm for Chemistry (#1355)
• Gradients Framework (#1293)
• Implement selection of optimizer in the QGAN algorithm (#1253)
• Opflow Cvar Implementation (#1345)
• Ground state interface (#1288)
• Finance applications (#1342)
• Make QGAN run primarily on circuits (#1341)
• Handle infeasible filter criterion for NumPy(Minimum)Eigensolver and MinimumEigenOptimizer (#1310)
• Add support for v2 provider interface (#1270)
• Create Eigensolver interface (#1277)
• Optimizers for noisy quantum devices (scikit-quant) (#1240)
• Vibrational structure calculations (#1232)
• Operator.compose should allow indices (#1144)
• Enhanced Aqgd optimizer (#1252)
• HHL and NumPyLSsolver Result Classes (#1254)
• Consistent behaviour of StateFn.eval with OperatorBase.eval (#1210)
• More powerful Operator.to_circuit #1089 (#1124)
• Add a parameters method to the Operators (#1194)
• Warm start ADMM (#1202)
• Fix cyclicity check and add max_iterations in VQEAdapt (#1187)

Changed

• Gradients Framework (#1293)
• Ground state interface (#1288)
• Refactor Chemistry Drivers to also accept Molecule class (#1297)
• Refactoring Grover class in QuantumAlgorithm (#1268)
• Refactor QAE using the Grover operator (#1234)
• Add feasibility checks to optimizers/converters (#1199)
• Add Grover and QAE result classes (#1219)

Removed

• Drop support for Python 3.5 (#1227)

Fixed

• Setting is_measurement for converted state functions and backend arg required to CircuitSampler (#1344)
• Change base gate U3 to U (#1351)
• Fix measurements bug when specifying qasm_simulator in GroverOptimizer (#1312)
• Fix Trotter evolution of sums with identity terms (#1304)
• Fixed bugs of converters in the case of that the range of variable is 0 (#1259)
• Fix a bug of the integer to binary converter (#1256)
• Fix num oracle queries in QAE (#1242)
• Use Operator rather than unitary simulator to convert circuit to unitary matrix (#1224)
• Fix QSVM problem wit non-positive semi-definite kernel matrices (#1190)
• Fix a bug in grover optimizer (#1197)
• ComposedOp.eval shouldn't mutate the oplist (#1207)
• correct the UCCSD.compute_excitation_lists() (#1201)
• Fix cyclicity check and add max_iterations in VQEAdapt (#1187)

Changelog

Deprecated

• Properly deprecate quadratic program ising converter classes (#1178)