v0.7.7

SimpleSolvers v0.7.7

Diff since v0.7.6

Merged pull requests:

• Maintenance and Cleanup PR (#143) (@michakraus)
• Revise and unify line search interface (#144) (@michakraus)
• Implement regularization for Newton solvers. (#147) (@michakraus)
• Rename Picard solver (#148) (@michakraus)

Closed issues:

• Typo? (#145)

v0.7.6

SimpleSolvers v0.7.6

Diff since v0.7.5

Merged pull requests:

• Test NaN handling for linesearches (only for Optimizers) (#138) (@benedict-96)

Closed issues:

• Make sure to follow Julia style guide (#51)

v0.7.5

SimpleSolvers v0.7.5

Diff since v0.7.4

Merged pull requests:

• Check if direction contains NaNs (#137) (@benedict-96)

Closed issues:

• Check if direction in nonlinear solver contains NaNs (#131)

v0.7.4

SimpleSolvers v0.7.4

Diff since v0.7.3

Merged pull requests:

• Refactor and extend linesearch constructors (#133) (@michakraus)
• Constructors for NonlinearSolver with specific method (#135) (@benedict-96)
• Add SolverState method. (#136) (@michakraus)

Closed issues:

• Add constructors for NonlinearSolver that take a method (#134)

v0.7.3

SimpleSolvers v0.7.3

Diff since v0.7.2

Merged pull requests:

• Remove LinesearchState and use Linesearch (#120) (@benedict-96)
• Subtyping LU from DirectMethod. (#121) (@benedict-96)
• Make linesearch conversion tests (#123) (@benedict-96)
• Remove NoLinesearchState (#124) (@benedict-96)
• Move iteration number from Solver/Optimizer to SolverState/OptimizerState (#125) (@benedict-96)
• Using custom LU solver now. (#126) (@benedict-96)
• Made linesearch_nan_max_iterations and linesearch_nan_factor part of the Options (#127) (@benedict-96)
• Fix nonlinear solver update, state, status and line searches (#132) (@michakraus)

Closed issues:

• Static should probably not store α. (#19)
• Either get rid of Linesearch or LinesearchState! (#20)
• Should residuals (in NonlinearSolverStatus) only be updated when explicitly requested? (#32)
• Use the custom LUSolver in SimpleSolvers for the Hessian instead of Base.:\ (#37)
• Optional parameters $\epsilon$ and $\xi$ can't be specified in the constructor of NewtonSolver at the moment. (#58)
• Is the DirectMethod needed? (#63)
• Should the iteration number be stored in the optimizer/solver or in the state? (#104)
• LINESEARCH_NAN_MAX_ITERATIONS should probably not be defined globally (#111)
• Remove NoLinesearchState (#118)
• Import AbstractSolverState (#119)
• Include tests to check if conversions from Float32 to Float64 and vice-versa works (#122)

v0.7.2

SimpleSolvers v0.7.2

Diff since v0.7.1

Merged pull requests:

• Got rid of __derivative! and __value! (probably a legacy issue). (#100) (@benedict-96)
• Initial fixes for quadratic line search plots. (#101) (@benedict-96)
• Get rid of δ symbol in NewtonOptimizerCache. (#103) (@benedict-96)
• Make NonlinearSolverStatus immutable (#109) (@benedict-96)
• Added docstring for curvature condition constant. (#112) (@benedict-96)
• Replaced compute_new_direction with function direction! (#113) (@benedict-96)
• Add and refine tests for nonlinear solvers and line searches (and some fixes). (#114) (@michakraus)
• Fix update! methods for LinearProblem (#115) (@benedict-96)
• Now adjusting step size in BierlaireQuadratic linesearch (up to a pre-specified maximum number). (#116) (@benedict-96)
• Make params generic. (#117) (@benedict-96)

Closed issues:

• Do something similar for the NonlinearSolverStatus as for the OptimizerStatus (#82)
• Unify notation (#87)
• The documentation for the Quadratic linesearch is wrong (#89)
• Absolute and successive residual have the same value! (#105)
• Function has wrong notation! (#107)
• Check why we have c = .9 here. (#108)
• update! methods for LinearProblem (#110)

v0.7.1

SimpleSolvers v0.7.1

Diff since v0.7.0

v0.7.0

SimpleSolvers v0.7.0

Diff since v0.6.2

Breaking changes

• Consolidated nonlinear solvers leading to slight interface changes for the FixedPointIterator
• Renamed Quadratic2 linesearch to Quadratic and removed old Quadratic linesearch

Merged pull requests:

• Revise Picard solver to have similar interface as Newton and unify common functionality (#98) (@michakraus)
• Moved old quadratic linesearch that's not used anymore to obsolete (#99) (@benedict-96)

Closed issues:

• Should we remove the old Quadratic line search? (#41)

v0.6.2

SimpleSolvers v0.6.2

Diff since v0.6.1

Merged pull requests:

• Adjust Optimizer and NonlinearSolver tikz pictures (#97) (@benedict-96)

v0.6.1

SimpleSolvers v0.6.1

Diff since v0.6.0