v1.7.5

Optim v1.7.5

Diff since v1.7.4

Closed issues:

• Rosenbrock example: Type instability (#1021)
• How to log additional information after each iteration? (#1024)
• JuliaNLSolvers has only 1 member? (#1025)

Merged pull requests:

• Use namedtuple for default options. (#1026) (@pkofod)
• CompatHelper: bump compat for FillArrays to 1, (keep existing compat) (#1035) (@github-actions[bot])

v1.7.4

Optim v1.7.4

Diff since v1.7.3

Closed issues:

• Support for GPU codes? (#1002)
• A way to force at least one iteration (#1004)
• Wrong syntax for Fminbox in example (#1006)
• Saving intermediate results during optimization (#1007)
• Univariate optimisation options (#1008)
• Exact line search (#1009)
• Optimization with (L)BFGS gives DimensionMismatch(“dimensions must match”) (#1011)
• Document what is passed to the callback (#1014)
• Help: Generic non-linear constraint with multiple inputs (#1015)
• LoadError: MethodError: no method matching Optim.IPNewtonState (#1019)
• LoadError: MethodError: no method matching Optim.BarrierLineSearchGrad (#1020)
• Would it be possible to add an argument to the optimization function? (#1022)

Merged pull requests:

• remove unbound type parameter (#1005) (@nsajko)

Release 1.7.3

What's Changed

• Fix incorrect URL for build badges by @cynddl in #998
• improve SAMIN convergence message, fix issue #960 by @mcreel in #988
• Use LinAlg to speed up particle swarm by @alyst in #993

New Contributors

• @cynddl made their first contribution in #998

Full Changelog: v1.7.2...v1.7.3

v1.7.2

Optim v1.7.2

Diff since v1.7.1

Closed issues:

• Autodiff using Enzyme (#1001)

Merged pull requests:

• CompatHelper: bump compat for Compat to 4, (keep existing compat) (#986) (@github-actions[bot])

v1.7.1

Optim v1.7.1

Diff since v1.7.0

Closed issues:

• Line search never achieved finiteness -> failure (#948)
• only_fgh! not working - where am I going wrong? (#987)
• Proposal: Optionally Disabling Optimizer's Printed Output (#990)
• optimize(f, g! , [0.0,0.0] , LBFGS()) from example in documentation gives NaN (#994)

Merged pull requests:

• Don't print success if a stopping criterion is non-finite. (#997) (@pkofod)

v1.7.0

Optim v1.7.0

Diff since v1.6.2

Closed issues:

• Add option to return the final inverse hessian estimate from BFGS (#984)

Merged pull requests:

• Newton Trust Region fail safe for delta very small. (#985) (@pkofod)

v1.6.2

Optim v1.6.2

Diff since v1.6.1

Closed issues:

• Nelder-Mead stopping if no change in stopping criterion? (#940)
• NelderMead() gets stuck at specific g_tol/(sd of simplex), which should not be possible? (#974)

Merged pull requests:

• fix(ipnewton): NaN instead of undef allocation (#973) (@gwater)
• use muladd and hoist some multiplications (#978) (@chriselrod)
• CompatHelper: bump compat for FillArrays to 0.13, (keep existing compat) (#980) (@github-actions[bot])
• CompatHelper: bump compat for NaNMath to 1, (keep existing compat) (#981) (@github-actions[bot])

v1.6.1

Optim v1.6.1

Diff since v1.6.0

Merged pull requests:

• Fix wrong inner optimizer (#968) (@ArnoStrouwen)
• fix(show)!: produce executable string for Options (#970) (@gwater)
• Fix delta update if rho < eta in newton trust region (#975) (@pkofod)

v1.6.0

Optim v1.6.0

Diff since v1.5.0

Closed issues:

• To solve 1D problem by adding 5% change at each step in Optim.jl methods (#965)

Merged pull requests:

• check for nothing with ===/!== instead of ==/!= (#961) (@st--)
• Allow univariate nelder mead. (#966) (@pkofod)
• Get tests passing on v1.7 (#967) (@pkofod)

v1.5.0

Optim v1.5.0

Diff since v1.4.1

Closed issues:

• Particle Swarm (#944)

Merged pull requests:

• Fix edit link at bottom of each page (#938) (@ArnoStrouwen)
• BFGS - GPU (#946) (@vpuri3)
• fix for ML example (#956) (@mcreel)
• Don't use turbo. All BFGS first calls will be 10 seconds slower. (#957) (@pkofod)
• CompatHelper: add new compat entry for ForwardDiff at version 0.10, (keep existing compat) (#958) (@github-actions[bot])
• Fully remove LoopVectorization (#959) (@ChrisRackauckas)