v0.3.4

DualDecomposition v0.3.4

Diff since v0.3.3

Merged pull requests:

• CompatHelper: bump compat for BundleMethod to 0.4, (keep existing compat) (#57) (@github-actions[bot])

v0.3.3

DualDecomposition v0.3.3

Diff since v0.3.2

Closed issues:

• Applications (#20)
• Graceful termination when subproblem returns unexpected solution status (#43)
• Handling the case when the subproblem is unbounded (#44)
• Migrate variable coupling function to different file (#45)
• CouplingVariableRef error (#52)
• How to Print out value of optimization variables? (#54)

Merged pull requests:

• Coupling_id type fix (#53) (@hideakiv)
• Save subproblem solutions (#55) (@hideakiv)

v0.3.2

DualDecomposition v0.3.2

Diff since v0.3.1

Closed issues:

• subproblem solution status (#29)

Merged pull requests:

• MPI implementation of scenario tree conversion (#41) (@hideakiv)
• Refactoring (#42) (@kibaekkim)

v0.3.1

DualDecomposition v0.3.1

Diff since v0.3.0

Closed issues:

• Allow to set objective bound to the Lagrangian master (#37)
• Default option for primal heuristics (#39)

Merged pull requests:

• Allowing the Lagrangian master objective limit (#38) (@kibaekkim)
• Refactoring (#40) (@kibaekkim)

v0.3.0

DualDecomposition v0.3.0

Diff since v0.2.1

Merged pull requests:

• Implementation of two simple primal heuristics (#35) (@CanLi1)

v0.2.1

DualDecomposition v0.2.1

Diff since v0.2.0

Closed issues:

• Parallelizing and initializing bundle_init (#33)

v0.2.0

DualDecomposition v0.2.0

Diff since v0.1.3

Closed issues:

• Generalizing dual search method (#21)
• Change parameters for Bundle method (#22)

Merged pull requests:

• Time profiling (#31) (@kibaekkim)
• Interface to Lagrangian master method (#32) (@kibaekkim)

v0.1.3

DualDecomposition v0.1.3

Diff since v0.1.2

Closed issues:

• Deprecated functions in MPI.jl#v0.16.0 (#27)

Merged pull requests:

• Patch for MPI.jl@v0.16 and replacing travis with Github Actions (#30) (@kibaekkim)

v0.1.2

DualDecomposition v0.1.2

Diff since v0.1.1

Closed issues:

• Fix ADMM (#5)
• ScenTrees.jl (#16)
• MPI error (#17)
• Add a wrapper for optimizing each dual problem (#18)

Merged pull requests:

• add solve_sub_block (#19) (@wzhangw)
• CompatHelper: bump compat for "BundleMethod" to "0.2" (#23) (@github-actions[bot])
• CompatHelper: bump compat for "MPI" to "0.16" (#24) (@github-actions[bot])

v0.1.1

DualDecomposition v0.1.1

Diff since v0.1.0

Closed issues:

• Nontrivial extension to DRO (#8)
• User defined variables and constraints in the dual (#9)
• Nonconvex termination status (#10)
• Attempting to use MPI for non-MPI code (#11)
• Multistage stochastic optimization example (#13)

Merged pull requests:

• attempt different initial values for nonlinear programs (#12) (@wzhangw)
• Refactored for distributionally robust optimization and scenario tree (#14) (@hideakiv)
• Require explicit initialization/finalization for using MPI (#15) (@kibaekkim)