v0.2

Major extensions and refactoring. Among other new features, linopy now supports Quadratic Programming and LinearExpression which can include constant values.

See release notes for a full report of the changes.

v0.1.5

What's Changed

• release v0.1.4 by @FabianHofmann in #105
• Float representation in lp files by @jafluri in #114
• Reindex constraint labels by model.constraints if necessary by @FabianHofmann in #113
• Add sel function to Constraint and AnonymousConstraint by @FabianHofmann in #115
• variables & constraints: redesign printout of containers by @FabianHofmann in #116
• constants: remove solving condition "other" from status "ok" group by @FabianHofmann in #118
• Update deploy.yml by @FabianHofmann in #119
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #102

New Contributors

• @jafluri made their first contribution in #114

Full Changelog: v0.1.4...v0.1.5

v0.1.4

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #99
• adding lower, greater by @Cellophil in #100
• fix representation of empty variables/linexpressions by @FabianHofmann in #104

New Contributors

• @Cellophil made their first contribution in #100

Full Changelog: v0.1.3...v0.1.4

Linopy: Linear optimization with n-dimensional labeled variables

This is an archived version used for the publication in JOSS

v0.1.3

What's Changed

• Add MPS IO to tests by @FabianHofmann in #97
• solvers: fix dual retrieval from highs by @FabianHofmann in #98
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #94

Full Changelog: v0.1.2...v0.1.3

v0.1.2

What's Changed

• Fix representation for single constraints without coordinates by @FabianHofmann in #92

Full Changelog: v0.1.1...v0.1.2

v0.1.1

What's Changed

• Make expression and constraint display more stable
• Add global options setter @FabianHofmann in #90
• Override coordinates in case the dimension of joined expressions/variables are exactly the same @FabianHofmann in #90
• constraint display: fix case of all-masked constraints by @FabianHofmann in #91

Full Changelog: v0.1...v0.1.1

v0.1

What's Changed

• Composition design review by @FabianHofmann in #63
• fix minor typos in doc strings by @lumbric in #70
• Refactor LinearExpression and Constraint using composition by @coroa in #55
• Support writing problem to MPS file by @FabianHofmann in #71
• Modularize tests by @FabianHofmann in #72
• fully support integer variables by @FabianHofmann in #73
• Add constants module for static parameter by @FabianHofmann in #74
• A set of constant status and termination conditions by @FabianHofmann in #76
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #75
• Automatic summation of repeated variables by @FabianHofmann in #77
• Support diff operation for variables and expressions by @FabianHofmann in #79
• Filter out very small coefficients by @FabianHofmann in #80
• Improve representation of infeasible constraints by @FabianHofmann in #81
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #82
• Improve representation by @FabianHofmann in #84
• supress disturbing output when cbc/glpk are no available_solvers by @jankaeh in #87
• Solver options printout by @FabianHofmann in #86
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #83
• Improve repr follow up by @FabianHofmann in #88

New Contributors

• @jankaeh made their first contribution in #87

Full Changelog: v0.0.15...v0.1

v0.0.15

What's Changed

• doc: minor fix in API reference by @lumbric in #49
• pips: add combined row labels for submatrices beside each other by @FabianHofmann in #50
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #52
• fix operands / specify error messages by @FabianHofmann in #58
• Replace numpy isscalar check by pandas isscalar check by @FabianHofmann in #65
• Allow sum() function over scalar objects by @FabianHofmann in #64
• expression / constraints: allow returning None type when creating from rule by @FabianHofmann in #66
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #56
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #67
• Define field as default_factory to specify mutable default value by @danuriegas in #68
• pips-io: print out rows by @FabianHofmann in #69

New Contributors

• @danuriegas made their first contribution in #68

Full Changelog: v0.0.14...v0.0.15

v0.0.14

New Features

• Linopy now uses highspy as an interface to the HiGHS solver. This enables a direct and fast communication without needing to write an intermediate LP file.