v8.13.1

ModelingToolkit v8.13.1

Diff since v8.13.0

Closed issues:

• Key not found when calling ODAEProblem (#1516)
• structural simplify tutorial (#1607)
• Unrecognized keyword jac sparse (#1608)

Merged pull requests:

• Fix LaTeX show (#1609) (@ArnoStrouwen)
• Small changes to "Composing Ordinary Differential Equations" documentation (#1610) (@ArnoStrouwen)
• add measured quantities (#1612) (@ArnoStrouwen)
• Filter the kwargs before passing to solvers (#1613) (@YingboMa)

v8.13.0

ModelingToolkit v8.13.0

Diff since v8.12.0

Merged pull requests:

• Add .JuliaFormatter (#1590) (@YingboMa)
• CompatHelper: bump compat for Setfield to 1, (keep existing compat) (#1597) (@github-actions[bot])
• Make sure defaults handles differentials as well (#1598) (@YingboMa)
• Add a pass that converts unbound inputs to parameters (#1599) (@YingboMa)
• Fix minor typos (#1600) (@stillyslalom)
• Formatter CI (#1601) (@YingboMa)
• Add hessian_sparsity method for NonlinearSystem (#1602) (@Vaibhavdixit02)
• clarify connector warning (#1603) (@visr)
• CompatHelper: bump compat for DocStringExtensions to 0.9, (keep existing compat) (#1605) (@github-actions[bot])
• Pass hessian prototype to OptimizationFunction (#1606) (@Vaibhavdixit02)

v8.12.0

ModelingToolkit v8.12.0

Diff since v8.11.6

Closed issues:

• structural_simplify add derivative equation automatically, UndefVar problem and equation form influence ODAEProblem. (#1537)

Merged pull requests:

• Add the dummy derivative pass (#1575) (@YingboMa)
• Change to ArrayInterfaceCore (#1592) (@ChrisRackauckas)
• CompatHelper: bump compat for JuliaFormatter to 0.23, (keep existing compat) (#1594) (@github-actions[bot])

v8.11.6

ModelingToolkit v8.11.6

Diff since v8.11.5

Merged pull requests:

• Give PDESystem a systems field (#1588) (@xtalax)

v8.11.5

ModelingToolkit v8.11.5

Diff since v8.11.4

Closed issues:

• Warning: Unrecognized keyword arguments found. (#1583)

Merged pull requests:

• Don't pass to DiffEqBase.ODEProblem invalid keyword check_length (#1584) (@isaacsas)

v8.11.4

ModelingToolkit v8.11.4

Diff since v8.11.3

Closed issues:

• ExtraVariablesSystemException thrown when there are the same number of states and equations (#1539)

Merged pull requests:

• Make sure we substitute both sides just in case (#1582) (@YingboMa)

v8.11.3

ModelingToolkit v8.11.3

Diff since v8.11.2

Merged pull requests:

• Run examples in docs (#1572) (@baggepinnen)
• Fix sorted_incidence_matrix (#1581) (@YingboMa)

v8.11.2

ModelingToolkit v8.11.2

Diff since v8.11.1

Closed issues:

• 8.11.1 changes to show break Catalyst and JumpSystems (#1576)

Merged pull requests:

• fix show crashes for non-equation systems (#1578) (@isaacsas)

v8.11.1

ModelingToolkit v8.11.1

Diff since v8.11.0

Closed issues:

• Spring-mass example broken (#1571)

Merged pull requests:

• Rudimentary model balancing check (#1568) (@YingboMa)
• Use Connection from Symbolics (#1569) (@YingboMa)
• Fix spring_mass tutorial (#1573) (@YingboMa)
• Define hash for SymbolicContinuousCallback (#1574) (@YingboMa)

v8.11.0

ModelingToolkit v8.11.0

Diff since v8.10.0

Closed issues:

• Using continuous_events on connected circuits/systems (#1409)
• Assertion fails when building event callbacks (#1528)

Merged pull requests:

• Removes OptimizationFunction and add GalacticOptim as a dependency (#1563) (@Vaibhavdixit02)
• handle empty events (#1566) (@baggepinnen)