v3.6.1

ModelingToolkit v3.6.1

Diff since v3.6.0

Closed issues:

• Common model type generated by DSLs (#286)
• Document ReactionSystem and JumpSystem (#363)
• Extend dependency graphs to AbstractSystems and document them (#368)

Merged pull requests:

• Don't restrict the content of Constant (#387) (@YingboMa)

v3.6.0

ModelingToolkit v3.6.0

Diff since v3.5.0

Merged pull requests:

• dependency graph docs (#384) (@isaacsas)

v3.5.0

ModelingToolkit v3.5.0

Diff since v3.4.0

Closed issues:

• ModelingToolkitize failure (#195)
• SDESystems don't set noise_rate_prototype (#375)

Merged pull requests:

• fix modelingtoolkize to only return the system (#373) (@ChrisRackauckas)
• multidimensional modelingtoolkitize support (#374) (@ChrisRackauckas)
• automated noise rate prototype (#376) (@ChrisRackauckas)
• update get_variables! for Equations (#377) (@isaacsas)
• add ReactionSystem docs (#378) (@isaacsas)
• JumpSystem docs (#379) (@isaacsas)
• update docstring example for ODESystem (#380) (@caryan)

v3.4.0

ModelingToolkit v3.4.0

Diff since v3.3.0

Closed issues:

• Order of parameters (#365)

Merged pull requests:

• dependency graphs for JumpSystems (#353) (@isaacsas)
• keep the same result, do just 1 simplification (#355) (@ChrisRackauckas)
• Fix to making JumpSystems from ReactionSystems (#357) (@TorkelE)
• Add tests for Jumps created through reactions. (#358) (@TorkelE)
• CompatHelper: add new compat entry for "LightGraphs" at version "1.3" (#367) (@github-actions[bot])
• add ismassaction and get rid of some temp arrays (#369) (@isaacsas)
• Update DiffEqJump version for recent bug fixes (#371) (@isaacsas)

v3.3.0

ModelingToolkit v3.3.0

Diff since v3.2.0

Closed issues:

• Crash with Hessians (Bus Error: 10) (#350)
• Failed to Apply Rule (#351)
• ModelingToolkit.jl name (#352)

Merged pull requests:

• Enable creation of JumpSystems from ReactionSystems (#346) (@TorkelE)
• remove to_mtk in substitute (#347) (@shashi)
• Distributed parallelism build targets (#348) (@ChrisRackauckas)
• Fix MassActionJump parameter evaluation (#354) (@isaacsas)
• CompatHelper: add new compat entry for "RecursiveArrayTools" at version "2.3" (#356) (@github-actions[bot])

v3.2.0

ModelingToolkit v3.2.0

Diff since v3.1.1

Closed issues:

• More simplification routines (#55)
• Replace Expression abstract type with a union type for union splitting optimizations (#68)
• Formalism around models (#91)
• Clean up ode_order_lowering (#115)
• Catlab.Formula as a potential application of MT (#138)
• Roadmap questions (#165)
• Tree flattening (#166)
• Please add example ODE to README.md (#185)
• Please improve motivation in README.md (#186)
• Hessian fails with sin (#192)
• vars() function when the operation is a variable (#211)
• Bug in MTK.simplify_constant (#226)
• Inconsistent types from MTK+DI (#228)
• Simplification plan (#230)
• JumpSystem design discussion (#307)
• How to connect two ODEs? (#315)
• Link to stable documentation is broken (#325)
• Error in High Level Example from GitHub front page (#327)
• Link to SymbolicUtils Substitution (#339)

Merged pull requests:

• Remove index reduction (#310) (@YingboMa)
• JumpSystems for constant and variable rate jumps (#317) (@isaacsas)
• SymbolicUtils integration (#326) (@shashi)
• CompatHelper: bump compat for "SymbolicUtils" to "0.2" (#329) (@github-actions[bot])
• Allow reactions with: Multiple copies of one components and either no substrates or no products (#330) (@TorkelE)
• SDEProblem from SDESystem fix (#332) (@isaacsas)
• default to iip for SDEProblems (#333) (@isaacsas)
• CompatHelper: add new compat entry for "DiffEqJump" at version "6.6" (#334) (@github-actions[bot])
• add DiscreteProblem with u0/param maps (#335) (@isaacsas)
• add mass action jump support (#336) (@isaacsas)
• substitute using SymbolicUtils (#342) (@ChrisRackauckas)
• CompatHelper: bump compat for "UnPack" to "1.0" (#345) (@github-actions[bot])

v3.1.1

ModelingToolkit v3.1.1

Diff since v3.1.0

v3.1.0

ModelingToolkit v3.1.0

Diff since v3.0.2

Closed issues:

• EOF Error while importing ModelingToolkit (#221)
• generate_jacobian returns expression not function (#323)

Merged pull requests:

• Set push_preview=true in makedocs (#314) (@asinghvi17)
• Splat kwargs in generate_jacobian for nonlinear system (#324) (@ChrisRackauckas)

v3.0.2

ModelingToolkit v3.0.2

Diff since v3.0.1

Merged pull requests:

• fix empty reduce issue (#313) (@wupeifan)

v3.0.1

ModelingToolkit v3.0.1

Diff since v3.0.0

Closed issues:

• ode_order_lowering state ordering is incorrect (#308)

Merged pull requests:

• Pantelides algorithm (#285) (@YingboMa)
• Patch 1 (#301) (@ArnoStrouwen)
• update NonlinearSystem docs (#302) (@ArnoStrouwen)
• automatic symbol conversions (#303) (@ChrisRackauckas)
• treat symbols symbolically when converting from expressions (#304) (@adediego)
• Generate a full list of vars in ode_order_lowering (#309) (@YingboMa)