Gauss Newton with Line Search

[avik-pal]

TODOs

• [ ] Fix Tests
• [x] Wait on https://github.com/SciML/NonlinearSolve.jl/pull/265
• [x] Upstream patch to allow non-square function operators for VecJac https://github.com/JuliaDiff/SparseDiffTools.jl/pull/272
• [x] Remove Manifest

[codecov[bot]]

Codecov Report

Merging #268 (77be3a2) into master (b8d43a3) will increase coverage by 45.16%. The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           master     #268       +/-   ##
===========================================
+ Coverage   48.41%   93.58%   +45.16%     
===========================================
  Files          19       19               
  Lines        1801     1807        +6     
===========================================
+ Hits          872     1691      +819     
+ Misses        929      116      -813     

Files	Coverage Δ
src/gaussnewton.jl	77.27% <100.00%> (+14.91%)	:arrow_up:
src/linesearch.jl	88.05% <100.00%> (+82.79%)	:arrow_up:
src/raphson.jl	100.00% <ø> (+26.98%)	:arrow_up:
src/utils.jl	85.54% <ø> (+33.22%)	:arrow_up:

... and 14 files with indirect coverage changes

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[vpuri3]

Any reason to not use LineSearches.jl?

[avik-pal]

It is using LineSearches internally

[avik-pal]

This is done. just need the previous PRs to be merged

[vpuri3]

would it be possible to pass an initial guess for alpha and line search? example? InitialStatic(), InitialPrevious(), etc...

[avik-pal]

would it be possible to pass an initial guess for alpha and line search? example? InitialStatic(), InitialPrevious(), etc...

Not currently. I have no clue how that API currently works.