v6.72.0

OrdinaryDiffEq v6.72.0

Diff since v6.71.0

Merged pull requests:

• Improve mass matrix error message (#2145) (@ChrisRackauckas)
• fix memory leak on repeated init(prob) (#2148) (@oscardssmith)
• reapply formatter (#2150) (@ArnoStrouwen)
• Allow for using the initializeprob with OverrideInit (#2151) (@ChrisRackauckas)

Closed issues:

• Unexpected memory accumulation when repeatedly running solve (#2147)

v6.71.0

OrdinaryDiffEq v6.71.0

Diff since v6.70.1

Merged pull requests:

• Fix out-of-place Rosenbrock23 (#2123) (@YingboMa)
• added methods ROS2PR, ROS2S, ROS3, ROS3PR, SCHOLZ4_7, ROS3PRL, ROS3PRL2 (#2126) (@cwittens)
• Bug in out-of-place version of Rodas3P: Update rosenbrock_perform_step.jl (#2128) (@gstein3m)
• Load SENSITIVITY_INTERP_MESSAGE from SciMLBase (#2136) (@LilithHafner)
• Improve callback modifier handling more (#2142) (@oscardssmith)

Closed issues:

• Improved traditional Rosenbrock–Wanner methods for stiff ODEs and DAEs by Joachim Rang (#2064)
• Rosenbrock solvers fail or interpolate poorly due to (algebraically) inconsistent u after callback (#2127)
• Rodas5P gives inaccurate results when integrating triangle wave (#2132)
• Rodas3P and Rodas23W are completely broken for out of place. (#2135)

v6.70.1

OrdinaryDiffEq v6.70.1

Diff since v6.70.0

v6.70.0

OrdinaryDiffEq v6.70.0

Diff since v6.69.0

Merged pull requests:

• New methods Rodas23W / Rodas3P with error test for interpolation, see issue 2054 #2054 (#2092) (@gstein3m)
• added ROS34PRw method (#2113) (@cwittens)
• use ForwardDiff.value when computing internal tolerances (#2116) (@SebastianM-C)
• remove error for Rosenbrock23 with no differential equations (#2117) (@oscardssmith)
• fix location of error check disabling to prevent infinite loop in weird cases (#2118) (@oscardssmith)
• Bump actions/cache from 3 to 4 (#2119) (@dependabot[bot])
• Update rosenbrock.md (#2120) (@gstein3m)
• fix deprecation warnings in InterfaceI (#2122) (@ArnoStrouwen)

Closed issues:

• ERROR: InexactError: Int64(1//1000000) with fixed-step methods (#2114)
• MethodError in _get_tolerance when optimizing parameters and initial conditions in ODE with mass matrix (#2115)

v6.69.0

OrdinaryDiffEq v6.69.0

Diff since v6.68.2

Merged pull requests:

• Single type for sensitivity interpolation and composites (#2111) (@ChrisRackauckas)

v6.68.2

OrdinaryDiffEq v6.68.2

Diff since v6.68.1

v6.68.1

OrdinaryDiffEq v6.68.1

Diff since v6.68.0

Merged pull requests:

• Fix DAE initialization AD when autodiff=false (#2110) (@ChrisRackauckas)

v6.68.0

OrdinaryDiffEq v6.68.0

Diff since v6.67.0

Merged pull requests:

• Rodas5(P) 2nd and third derivatives (#2102) (@ChrisRackauckas)
• make dae initialization work for non eltypable p (#2105) (@oscardssmith)
• refactor: remove getproperty method for ODEIntegrator (#2106) (@AayushSabharwal)
• No need to depend on LV (#2107) (@chriselrod)
• Use the computed ForwardDiff type for preallocation choices in init (#2108) (@ChrisRackauckas)

Closed issues:

• Rodas5P does not allow 2nd order (or higher) derivatives (#2101)

v6.67.0

OrdinaryDiffEq v6.67.0

Diff since v6.66.0

Merged pull requests:

• Update NonlinearSolve ForwardDiff support for DAE Initialization diff (#2100) (@ChrisRackauckas)

v6.66.0

OrdinaryDiffEq v6.66.0

Diff since v6.65.0

Merged pull requests:

• Fix interpolation output types for dynamical ODEs (#2094) (@ChrisRackauckas)
• Fix save_end overriding behavior (#2095) (@ChrisRackauckas)
• Fix McAte5 time dependence (#2096) (@ChrisRackauckas)
• Set dtmin to zero by default (#2098) (@ChrisRackauckas)
• Fix FunctionMap idxs handling in interpolation (#2099) (@ChrisRackauckas)

Closed issues:

• Step size after tstop can be too small (#1616)
• Strange behavior of save_at=false (#1842)
• fixed dt step! may fail due to t being close to tstop (#1879)
• McAte5 alg gives wrong results (#2066)
• New convert error with saveat and symplectic integrators (#2086)
• integ(u, t, Val{1}) and sol(t, Val{1}) give different answers (#2097)