DifferentialEquations.jl Versions Save

DifferentialEquations v7.4.0

Diff since v7.3.0

Closed issues:

• Some contradictory fields in SteadyStateProblem (#894)
• [help] Difficulty adapting Matlab code to Julia (#897)
• Lagrangian Descriptors (#899)

Merged pull requests:

• MassInstallAction: Install the Invalidations workflow on this repository (#896) (@devmotion)
• Change default Rodas5 to Rodas5P (#900) (@ChrisRackauckas)

DifferentialEquations v7.3.0

Diff since v7.2.0

Closed issues:

• Common interface startup costs (#312)
• Throw an error if we see a non-common interface argument. (#334)
• Move API docs from DiffEqDocs.jl to docstrings? (#371)
• GMRES tie-ins for linsolve support (#453)
• Automatic GPUified linear solves (#472)
• Issues with complex ode15s solver (#503)
• Julia crashes several times while using DifferentialEquations.jl (#607)
• Non-deterministic unstable-ish Tsit5 solution (#636)
• Failed installation if Plots.jl is previously installed on Julia 1.0.3 (#687)
• confusing Jacobian options... (#800)
• Error DifferentialEquations precompile (#874)
• Strange Memory Allocations with saveat (#880)
• how to obtain the noise realization? (#882)
• how to get different random noise (#883)
• Update DiffEqBase library version (#884)
• ODE that depends nonlinearly on a jump process (#885)
• WARNING: Method definition resize!(FastLapackInterface.QRWYWs{R, MT} (#887)
• Failed to precompile (#889)
• Distributed ODE doesn't work with remote host (#890)
• Ich habe eine Frage.... (#891)
• Call to solve fails with `LoadError: "No matching function wrapper was found" (#893)

Merged pull requests:

• badges (#892) (@ArnoStrouwen)
• Bump versions (#895) (@ChrisRackauckas)

DifferentialEquations v7.2.0

Diff since v7.1.0

Closed issues:

• DAEs and specifying states (#490)
• ContinuousCallback: affect! is not always called at the crossed condition (#551)
• DABDF2 fails with discrete callbacks (#589)
• Solving DAE with non-Vector state (#757)
• ERROR with callback: attempt to access 1-element view(::Vector{Float64}, 1:1) with eltype Float64 at index [-1] (#798)
• Parallel Ensamble Callback Error (#829)
• DifferentialEquations.jl will not compile due to LinearAlgebra.SingularException(2) (#842)
• VectorContinuousCallback not picking up threshold (#843)
• Compatibility with ApproxFun (#847)
• Bug (?) in integrator interface: set_u! calls are not effective before stepping the first time (#848)
• Incorrect cache types for stiff solvers (#849)
• Discrepancy between solution of du/dt = A(t)u computed using operator and functions based approaches (#850)
• Number of jacobians created | Influence generation of new jacobian (#851)
• concrete_solve() vs. solve() (#852)
• Failure to Precompile on an M1 Mac (#853)
• EnsembleProblem multithread issue with JumpProblem (#854)
• Solution derivatives and events (#856)
• Numerical issues with Stochastic two-body problem (#857)
• Long time precompilation (#858)
• Precompilation fails in v1.7.3 (#859)
• Integrator.sol.retcode does not update after reinit!(integrator) (#861)
• An SDEProblem with non-default noise_rate_prototype has issues dealing with complex-valued problems (#865)
• Error when trying to dynamically change tstops during solve (#868)
• Precompilation issue on 1.7.2 (#872)
• How to customize solver algorithm: May be needed in some physical problem. (#873)
• DiscreteProblem keyword scale_by_time=true (#875)

Merged pull requests:

• Format SciML Style (#877) (@ChrisRackauckas)
• Update DiffEqJump to JumpProcesses (#879) (@isaacsas)

DifferentialEquations v7.1.0

Diff since v7.0.0

Merged pull requests:

• Improve defaults and reexport LinearSolve (#840) (@ChrisRackauckas)

DifferentialEquations v7.0.0

Diff since v6.21.0

Closed issues:

• Failed to precompile on M1 Mac (#830)
• Both Symbolics and Graphs export "degree"; uses of it in module ModelingToolkit must be qualified (#834)

Merged pull requests:

• Remove some background packages to greatly improve startup time (#835) (@ChrisRackauckas)
• Describe breaking changes in NEWS.md for v7 (#836) (@ChrisRackauckas)

DifferentialEquations v6.21.0

Diff since v6.20.0

Closed issues:

• DifferentialEquations.jl invalidates OrdinaryDiffEq.jl precompile caches for lu-factorization (#785)
• LoadError when precompiling DifferentialEquations (#816)
• ERROR: LoadError: MethodError: no method matching names(::Base.Broadcast.BroadcastFunction{Irrational{:log4π}}) (#818)
• How to return a mathmatical expression of predict solution "U_predict" (#819)
• EnsembleThreads: crash w/increase in problem size (#820)
• How to fast find source code of function, like Dense() Chain() (#821)
• How to get the mathematical expression of Neural Network. (#822)
• ask for pytorch version (#823)
• SciML/LTS killing Cxx.jl off (#828)

Merged pull requests:

• CI for LTS (#826) (@ChrisRackauckas)
• Update for LinearSolve.jl (#832) (@ChrisRackauckas)

DifferentialEquations v6.20.0

Diff since v6.19.0

Closed issues:

• "using DifferentialEquations" is very slow (#555)
• Automatic solver selection for DynamicalODEProblem gives incorrect results (#681)
• Delay Differential Equations / MethodError (#736)
• CVODE_BDF: GMRES - different answers with save_everystep=true vs. false (#774)
• modelingtoolkitize functions generated with metaprogramming (#781)
• Precompilation broken for DifferentialEquations.jl (#787)
• step!() using ImplicitEuler() Hangs and Locks up Julia Indefinitely (#789)
• Memory leakage when integrating a simple equation (#790)
• BoundsError: attempt to access 4-element view at index [-1] with VectorContinuousCallback (#792)
• DifferentialEquations or OrdinaryDiffEq packages? (#793)
• Can anyone explain why the size of "solve" is different for every run? (#794)
• Sundials Failing to Precompile (#795)
• worked example: several solvers give different results with save_everystep=true vs. false (#796)
• Can't compile DifferentialEquations.jl due to a problem in module IrrationalConstants at irrationals.jl (#801)
• SDE problem using SKenCarp with continuous callback (#802)
• Event Handling and Callback Functions - Examples Typo (#804)
• Solve seems to miss timesteps specified by PresetTimeCallbacks (#805)
• I encountered a problem when using a convolutional neural network for training and solving ODE problems by using Flux package (#806)
• LinearAlgebra.SingularException(6) (#807)
• lazy sleeper (#808)
• How to solve stiff Neural ODE with many params (> 2000)? (#810)
• ERROR: LoadError: LoadError: LoadError: UndefVarError: f not defined, julia v1.6.3 (#811)
• warning: method definition (:: type {float32}) (base. Ionic {: log π}) in module ionic constants at irrationals. JL (#812)
• error running using --compiled-modules=no command line option (#813)

Merged pull requests:

• Grammar, clarity, & word choice (#809) (@LilithHafner)
• CompatHelper: bump compat for DiffEqJump to 8, (keep existing compat) (#815) (@github-actions[bot])

DifferentialEquations v6.19.0

Diff since v6.18.0

Closed issues:

• FAQ suggestion: lazily allocate buffers for use with automatic differentiation (#769)
• Import error when using diffeqpy after updating to v6.17.2 (#775)
• Stochastic differential equations - the timeseries_steps_mean function gives a Boundserror when accessing Ensemble solution (#778)
• EnsembleThreads does not use multiple cores (#780)

Merged pull requests:

• add prepare_alg to the solve preparation post default (#782) (@ChrisRackauckas)

DifferentialEquations v6.18.0

Diff since v6.17.2

Closed issues:

• DifferentialEquations precompilation fails in Julia 1.4.2 (#768)
• Ambiguous method error with ForwardDiff and Rodas Solver (#770)
• Plotting Ensemble solutions blocks out "label" attribute (#771)

Merged pull requests:

• CompatHelper: bump compat for "DiffEqJump" to "7" (#777) (@github-actions[bot])

DifferentialEquations v6.17.2

Diff since v6.17.1

Closed issues:

• Callbacks not allowed at t=0 (#601)
• Integrator stepped past tstops but the algorithm was dtchangeable (#642)
• "Double callback crossing floating pointer reducer errored. Report this issue." (#647)
• Double callback crossing floating pointer reducer errored. Report this issue. (#674)
• Floating Point Error (#688)
• Event detection not continuously/not always triggering (#696)
• Double callback crossing floating pointer reducer errored. Report this issue. (#724)
• Working with ForwardDiff.Dual causes ArgumentError: reducing over an empty collection is not allowed (#753)
• What happens when :autodiff=true while also specifying jac_prototype? (#756)
• Solving DAE with non-Vector state (#757)
• Double callback crossing floating pointer reducer error (#758)
• Only trivial solution for in-place definition of ODE RHS (#759)
• resizing integrator doesn't work with TRBDF2 (#761)
• solve(EnsembleProblem(::NoiseProblem)) does not work (#766)

Merged pull requests:

• Mass matrix handling for SDEs (#767) (@YingboMa)