Qiskit Aqua 0.7.4

Changelog

Added

• Add validation of sizes of arguments of OptimizationResults and unit tests (#1167)
• For the Enhancement of converters of QuadraticProgram (#1061)
• Indented string display (#1112)
• Improve opflow test repeatability (#1147)
• Make pyscf an optional dependency (#1140)
• Documentation update for CustomCircuitOracle (#1149)
• Further enhancements in ADMMOptimizer (#1126)
• Check number of qubits in PauliOp.eval (#1105)
• Improve inequality for "a" in Shor's Algorithm documentation (#1133)
• Since #1100 Aqua depends on Terra 0.15 or higher (#1119)
• For Z2Symmetry chop resultant tapered operators (#1110)
• added LinearEqualityToPenalty._auto_define_penalty() function (#1043)
• Unify optimizer parameters (#1084)
• Reduce the number of qubits required by ADMMOptimizer (#1050)
• Pretty output for optimization elements (#1021)
• Make cvxpy an optional dependency (#1055)
• VQE default expectation selection (#1040)
• Set lstsq fitter for StateTomographyFitter on HHL (#1039)
• Pin sphinx version temporarily (#1033)
• Add static type hints checking (#1020)
• Refactor Shor's algorithm (#975)
• Re-use optimal vector result previously computed in VQE (#1014)
• Update to new NumPy RNG (#921)
• Allow Custom Lambda for Iterative Grover, see #893 (#1005)
• Add reno for release notes and update CONTRIBUTING guide (#1002)
• Replace algorithm result eigvecs by eingenstate (#997)
• Improve resource access for unit tests (#993)
• Speed-up of AbelianGrouper.group_subops (#923)
• sort params in variational dists (#985)

Changed

• Move functionality QuadraticProgramToNegativeValueOracle to circuit library and GroverOptimizer (#1160)
• Make OptimizationResult read-only (all parameters of the constructor become mandatory) (#1131)

Removed

• Remove cvxpy cap (#1150)
• Remove Swaps From IQFT in Grover Optimizer (#1078)
• Remove cvxopt and use cvxpy instead (#1035)
• Remove install check for PySCF 1.7.2post1 (#1004)

Fixed

• Mp2info incorrect when only one double excitation (#1161)
• Fix PySCF driver exception (#1159)
• show full grover circ; fixes #1139 (#1141)
• VQE change backends (#1154)
• Fix preservation of ListOp's combofn (#1152)
• VQE construct circuit returns circuits (#1121)
• Fix torch abstract class method not implemented (#1146)
• OptimizationResult does not contain variable information #1107 (#1122)
• Be more memory efficient converting SummedOp to MatrixOp (#1129)
• Matrix multiplicative factor (z + z == 2 * z) (#1111)
• Determine the max number of ancillae for all ESOPs (TruthTableOracle fix) (#1128)
• P_BFGS spawn crash on MacOS and python >= 3.8 (#1123)
• Fix qgan.py where batch size is greater than data size to raise error (#1115)
• Fix to accommodate latest docplex 2.15.194 (#1117)
• SLSQP optimizer, multistart Cobyla, enhanced compatibility checks (#1082)
• Fix lint in controlled circuit and Instruction.definition change (#1100)
• SummedOp updates & optimization converters to use Opflow (#1059)
• CircuitStateFn.assign_parameters overwrites is_measurement (#1094)
• OperatorStateFn: bind parameters in coeff and primitive (#1085)
• Set qcp to True for cvxpy Problem.solve in qp_solver (#1083)
• Z2 symmetry fix for when no symmetries found (#1075)
• DeprecationWarning of round with numpy 1.19 (#1081)
• Correct coefficient propagation in the operators (#1077)
• Fix Exchange/Wiki providers, new Yahoo! provider, fix divide by 0 (#1051)
• remove warnings from deprecated varform (#1058)
• Fix hash function of PauliOp class (#1052)
• MatrixOp.to_instruction updated to return an Instruction (#1049)
• Evaluate eigenvalues in MinEigenOptimizer more efficiently (#1045)
• CircuitOp uses QuantumCircuit.compose, not .combine (#1048)
• fix remaining type hints errors (#1025)
• Fix QAOA initial point bug (#1026)
• Remove deprecated VQ tests (#987)
• Fix ADAM resuseability (#1016)
• Test lam argument in Grover algorithm (#1011)
• Fix VQE optimizer setter (#1008)
• Separate simplification of operators from SummedOp.add and fix bugs of add (#1000)
• Fix cobyla optimizer (#999)
• Ignore buggy pyscf 1.7.2.post1 (#994)