v4.2.0

NeuralPDE v4.2.0

Diff since v4.1.0

Closed issues:

• How to use GPU (#449)
• how to set bound [-8,8][-8,8]? (#450)
• Error on recompiling (#454)
• CUDA: NAN (#463)

Merged pull requests:

• Formula modification (#455) (@NeuralPDE)
• CompatHelper: bump compat for SymbolicUtils to 0.19, (keep existing compat) (#458) (@github-actions[bot])
• CompatHelper: bump compat for ModelingToolkit to 8, (keep existing compat) (#461) (@github-actions[bot])

v4.1.0

NeuralPDE v4.1.0

Diff since v4.0.1

Closed issues:

• Neural adapter test is broken (#412)
• First IDE test failed (#418)
• NNPDENS and NNPDEHan tests are still failing (#420)
• How to get the mathematical expression of Neural Network. (#439)
• KeyError: key Differential(y) not found (#447)

Merged pull requests:

• Support for compound integrals (#409) (@killah-t-cell)
• Fix first IDE test (#429) (@KirillZubov)
• Improve integrating_depvars so it works more generally (#431) (@killah-t-cell)
• CompatHelper: bump compat for ModelingToolkit to 7, (keep existing compat) (#433) (@github-actions[bot])
• add parameterless_type_θ to get_phi doc (#438) (@killah-t-cell)
• CI for LTS (#448) (@ChrisRackauckas)

v4.0.1

NeuralPDE v4.0.1

Diff since v4.0.0

Closed issues:

• Issue with 1D wave equation example (#327)
• Neural adapter (#333)
• Specifying a PhysicsInformedNN with variables in different dimensions (#339)
• Can't integrate in infinite intervals (#386)
• Error regarding complex function in boundary condition (MethodError: no method matching decompose(::Num)) (#387)
• Support solving equations in a mesh (#389)
• Broadcast integral calculation and increase performance (#390)
• Error using build_loss_function and PDESystem when reproducing code (#394)
• Update Zygote to last version (#397)
• Example of integro-differential equation does not work (#403)
• System of PDEs with CUDA? (#410)
• NNPDENS tests are failing (#411)
• Plotting a 6 dimensional problem as two 3 dimensional graphs? (#413)
• Problem when running example in the Official Documentation due to HCubatureJL (#414)
• Got "MethodError: no method matching PDESystem" after following copy pastable code from https://neuralpde.sciml.ai/dev/pinn/poisson/ (#416)

Merged pull requests:

• Split IDE tests (#391) (@KirillZubov)
• Add heterogeneous test (#392) (@KirillZubov)
• Increase integral performance with map (#393) (@killah-t-cell)
• Added syntax highlighting for citation entry in README (#395) (@paniash)
• update low_level.md (#396) (@KirillZubov)
• CompatHelper: bump compat for SymbolicUtils to 0.16, (keep existing compat) (#402) (@github-actions[bot])
• fix IDE doc (#404) (@killah-t-cell)
• Update neural adapter tests with heterogeneous inputs (#405) (@KirillZubov)
• Forward tests (#408) (@KirillZubov)

v4.0.0

NeuralPDE v4.0.0

Diff since v3.15.0

Closed issues:

• Error in the parser for multiplication between differentials (#234)
• Question about Fokker-Planck example (Integral constraint) (#279)
• ModelingToolkit @register function not defined (#353)
• Trouble modelling wave equations (#356)
• NeuralPDE.jl HJB example not working (#378)

Merged pull requests:

• Add Integro Differential Equations Support (#330) (@ashutosh-b-b)
• Neural adapter (#336) (@KirillZubov)
• LaTeXify equations in Docs/PINN Tutorials (#352) (@navidcy)
• fix additional_loss (#362) (@KirillZubov)
• Update optimal_stopping_american.md images and equations (#363) (@Vaibhavdixit02)
• CompatHelper: bump compat for "ModelingToolkit" to "6" (#365) (@github-actions[bot])
• ModelingToolkit" to "6" update (#366) (@KirillZubov)
• Improve damped wave results in docs (#367) (@killah-t-cell)
• Approximation function tests and update Fokker-Planck (#370) (@KirillZubov)
• Add required name in PDESystem (#371) (@ChrisRackauckas)
• CompatHelper: bump compat for "ModelingToolkit" to "6" (#373) (@github-actions[bot])
• [WIP] ZDM / GB heterogeneous input (#374) (@killah-t-cell)
• Update 2D gpu example (#377) (@KirillZubov)
• CompatHelper: add new compat entry for SymbolicUtils at version 0.13, (keep existing compat) (#379) (@github-actions[bot])
• CompatHelper: add new compat entry for Symbolics at version 3, (keep existing compat) (#380) (@github-actions[bot])
• CompatHelper: add new compat entry for DomainSets at version 0.5, (keep existing compat) (#381) (@github-actions[bot])
• Update IDE docs (#382) (@ChrisRackauckas)

v3.15.0

NeuralPDE v3.15.0

Diff since v3.14.0

Closed issues:

• Extract num of points for quadrature.jl methods (#322)
• Examples with system of PDE (#332)
• Broadcast piracy (#337)
• LoadError: type GridTraining has no field points (#340)
• Method Error: no method matching eps(::Type{Union{Nothing, Float32}}) (#346)

Merged pull requests:

• Update system.md (#335) (@killah-t-cell)
• fix broadcast piracy (#338) (@KirillZubov)
• More examples of systems of PDEs #332 (#341) (@killah-t-cell)
• Flux v0.12.5 -> v0.12.4 (#345) (@KirillZubov)
• Added damped wave example #327 (#347) (@killah-t-cell)
• Fixed 1D damped wave example (#348) (@killah-t-cell)
• Bump Flux (#351) (@ChrisRackauckas)

v3.14.0

NeuralPDE v3.14.0

Diff since v3.13.0

Closed issues:

• "Systems of PDEs" example in documentation does give the anticipated results (#302)
• The loss function for each equation (#320)
• kwarg isFloat32 (#323)
• kwarg isGPU (#324)

Merged pull requests:

• The loss function for each equation (#321) (@KirillZubov)
• Extract num of points for quadrature.jl methods (#326) (@KirillZubov)
• Default quasi-random to Latin Hypercubes (#328) (@ChrisRackauckas)
• Fix PDAE system example and derivative neural network approximation (#329) (@KirillZubov)
• CompatHelper: bump compat for "GalacticOptim" to "2" (#334) (@github-actions[bot])

v3.13.0

NeuralPDE v3.13.0

Diff since v3.12.0

v3.12.0

NeuralPDE v3.12.0

Diff since v3.11.1

Closed issues:

• QuasiRandomTraining, every training step take a new quasirandom sample (#288)
• Allow number of boundary points to be chosen by the user by a keyword argument (#296)
• Stable and Dev version of Doc (#315)

Merged pull requests:

• Allow number of boundary points (#316) (@KirillZubov)
• update ModelingToolkit v5.18.0 (#317) (@KirillZubov)
• GPU fix (#318) (@KirillZubov)

v3.11.1

NeuralPDE v3.11.1

Diff since v3.11.0

Closed issues:

• Use FiniteDiffereneces.jl for the nested finite differencing (#215)
• Example seems to have a missing Quadrature subclass (#308)
• Possibility to define vector parameters with @parameters (#311)

Merged pull requests:

• QuasiRandomTraining, on every training iteration, it is generated a new quasirandom sample (#314) (@KirillZubov)

v3.11.0

NeuralPDE v3.11.0

Diff since v3.10.1

Closed issues:

• Why is phi([x,y],res.minimizer) an array? (#232)
• Systems of one equation (#294)
• How to specify parameters that depend on geometry in the PDE? (#301)
• Error when trying to solve Poisson's equation with custom boundary conditions and layered dielectrics. (#303)
• Demo failure (#305)
• Bug in "1-D Burgers' Equation With Low-Level API" tutorial (#313)

Merged pull requests:

• CompatHelper: bump compat for "CUDA" to "3.0" (#293) (@github-actions[bot])
• Systems of one equation (#295) (@KirillZubov)
• defaults should be a keyword argument (#297) (@YingboMa)
• CompatHelper: bump compat for "Distributions" to "0.25" (#304) (@github-actions[bot])
• Demo failure (#306) (@KirillZubov)
• Update Systems of PDEs docs (#307) (@KirillZubov)
• Fix typo StochasticTraining (#310) (@KirillZubov)
• Update 2D.md (#312) (@akashkgarg)