v0.20.0

v0.20.0 (2019-08-25)

Diff since v0.19.2

Closed issues:

• Simple Example not Working (#2038)
• Prepare release notes for 0.20 (#2036)
• Examples are failing CI (#2033)
• dual_objective_value (#2030)
• MOI Constraint Error (#2024)
• Update language for NumFOCUS (#2021)
• callback with MOI (#2020)
• Functions in NLxxx that are stored in struct give bad error (#2016)
• ERROR:: Expected to be a number. (#2013)
• Naming multiple constraints? (#2002)
• error when JuMP tries autodiff User-defined Function (#1998)
• Throw a nicer error on NLP not supported (#1996)
• Rename m -> model in test utilities (#1992)
• Cannot multiply array of polynomials and array of JuMP variables (#1990)
• Sum identity and matrix of variables (#1989)
• User defined functions propagate to solver (#1969)
• set_parameter (#1965)
• Bounds on SDP matrix variables (#1945)
• all_variables reverts indices on multi-dimensional arrays (#1944)
• raw_status (#1942)
• Large optimization models (#1940)
• Constants modification (#1937)
• Nonlinear Modeling: user-defined functions with vector inputs *and* output (#1914)
• variable lower/upper bound inconsistency (#1892)
• A[t]_mul_B[!] deprecated upstream (#1716)
• Feature Request: sensitivity summary for LPs (#1332)

Merged pull requests:

• Fill NEWS entry for v0.20.0 (#2044) (blegat)
• Add dual_objective_function and update doc links to MOI (#2041) (blegat)
• Add .github/FUNDING.yml (#2040) (blegat)
• Add Julia v1.2 in CI (#2034) (blegat)
• Remove dictionaries tracking SingleVariable constraints (#2032) (mlubin)
• Fix examples (#2029) (blegat)
• Fix NumFOCUS logo (#2026) (mlubin)
• Update NumFOCUS language in docs (#2022) (odow)
• Clarified modifying variable coefficient example (#2018) (a-torgovitsky)
• Improved error message for x.f(y) in NL expressions (#2017) (mlubin)
• Constraints: use cref for constraint references. (#2015) (dourouc05)
• IpoptOptimizer -> Ipopt.Optimizer (#2011) (Non-Contradiction)
• Simplify coverage upload in .travis.yml (#2009) (blegat)
• Implement set_objective_coefficient (#2008) (dourouc05)
• DNMY: Update to MOI v0.9 (#2003) (coroa)
• Rename m -> model in test_expression (#2001) (rohit-mp)
• Improve NLP documentation about ForwardDiff (#2000) (odow)
• Better error message for solvers that don't support NLP (#1997) (mlubin)
• Refactor matmul code with mul! (#1995) (blegat)
• Implement algebra with UniformScaling (#1993) (blegat)
• Remove blank (#1991) (blegat)
• Add optional kwargs to optimize! for optimize_hook (#1987) (gsoleilhac)
• prep for 0.19.2 (#1985) (mlubin)
• remove unused argument in _hessian_slice_inner (#1980) (mlubin)
• Fix a bug in subexpression handling (#1979) (mlubin)
• Error on complex values in NLP (#1978) (odow)
• Add nice error message for splatting in macros (#1977) (odow)
• adding set_parameter function and tests (#1974) (raphaelsaavedra)
• Add CDCS (#1968) (blegat)
• Add SCIP (#1967) (blegat)
• Fix alignment in solver table (#1966) (blegat)
• Update current release number to 0.19.1 (#1963) (mlubin)
• prep for 0.19.1 (#1961) (mlubin)
• standard_form -> normalized + add_to_function_constant (#1960) (blegat)
• Add Project.toml and remove REQUIRE files (#1959) (blegat)
• adding juniper to solver list in docs (#1957) (ccoffrin)
• Fix handling of summations with an empty range (#1955) (odow)
• Giving guidance on naming of fields in structs (#1953) (freemin7)
• Create CITATION.bib (#1951) (ViralBShah)
• Add raw_status (#1949) (rtwalker)
• Ignore terms with a zero coefficient when adding to an OrderedDict (#1947) (odow)
• Add COSMO.jl to list of available solvers (#1941) (migarstka)
• Add standard_form modifications (#1935) (odow)
• Add drop_zeros function (#1934) (odow)
• Fix iszero for expressions (#1933) (odow)
• Fix isassigned for DenseAxisArray (#1932) (odow)
• Add an overload for value on containers (#1931) (odow)
• Add support for constant-only objectives (#1930) (odow)
• Add start_value to docs (#1929) (odow)
• Add solve_time function (#1928) (guilhermebodin)
• Add a better error message for plural macros (#1927) (odow)
• Highlight dot-syntax in solutions.md (#1926) (odow)
• Development roadmap (#1922) (mlubin)
• MOI Silent (#1921) (guilhermebodin)
• Adding extra example to note on variable bounds (#1919) (rocarvaj)
• Proxsdpdocs (#1918) (guilhermebodin)
• Lp sensitivity summary (#1917) (EdvinAblad)
• Update numfocus donation links (#1913) (odow)
• Promote eltype of SOS sets to Float64 (#1912) (odow)
• Deprecation message for writeLP and writeMPS (#1910) (dourouc05)
• Improve error on getting duals from variables (#1904) (barpit20)
• generalized sum for GenericQuadExpr (#1902) (guilhermebodin)
• Rename MOIMosek to MosekTools (#1879) (blegat)
• remove localvar hack (#1878) (mlubin)
• updates to supported solvers (#1877) (mlubin)
• Add VectorQuadraticFunction JuMP._MOIModel (#1875) (blegat)
• Add SDPA in solver table (#1874) (blegat)
• Added type info in NL error message (#1872) (coreysharris)
• [ci skip] Add gotcha in howto_release (#1869) (blegat)
• Fix links to docs (#1868) (mlubin)
• [style] Maximum line length (#1785) (odow)

v0.19.2

v0.19.2 (2019-06-08)

Diff since v0.18.6

Closed issues:

• length(hess_I) > 0 (#1981)
• InexactError: Float64 when problem gets big (#1973)
• Splatting does not work inside [] for variable declarations (#1964)

Merged pull requests:

• [release-0.19] prep for 0.19.2 (#1986) (mlubin)
• [release-0.19] Fix a bug in subexpression handling (#1984) (mlubin)

v0.18.6

v0.18.6 (2019-05-24)

Diff since v0.19.1

Closed issues:

• LoadError: UndefVarError: OptimizerFactory not defined (#1972)
• Value for variable at each iteration step (#1971)
• Finding all optimal solutions from solver (#1970)
• more tools for determining if expressions are zero (#1906)

Merged pull requests:

• [release-0.18] remove julia 0.6 from Project.toml. (#1976) (mlubin)
• add Project.toml so we can tag 0.18.6 (#1975) (mlubin)
• [release-0.18] Fix import expression for Julia 1.2 (#1909) (iamed2)
• [release-0.18] Fix objective constant bug in conic problems (#1727) (odow)
• Remove broken KeyIterator on 0.7+ in JuMP 0.18 (#1659) (coroa)

Migrate from MathProgBase to MathOptInterface

See NEWS.md.

0.19-beta2

Minor fixes and compatibility with MOI 0.8.1

0.19-beta

See NEWS.md.

v0.18.5

prep for 0.18.5 (#1652)

Alpha-quality preview of JuMP 0.19

See NEWS.md.

v0.18.4

prep for 0.18.4 (#1530)