8000 Implement adaptive epsilon for regularizations: `MIRROR` and `PROJECT` by FreyJo · Pull Request #1462 · acados/acados · GitHub
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Implement adaptive epsilon for regularizations: MIRROR and PROJECT #1462

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Merged
merged 18 commits into from
Mar 13, 2025

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FreyJo
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@FreyJo FreyJo commented Mar 12, 2025

New options:

  • reg_max_cond_block: Maximum condition number per block when using regularize_method in ['PROJECT', 'MIRROR'] with reg_adaptive_eps = True, Default: 1e-7
  • reg_adaptive_eps: Determines if epsilon is chosen adaptively in regularization used if regularize_method in ['PROJECT', 'MIRROR']
    If true, epsilon is chosen block-wise based on reg_max_cond_block.
    Otherwise, epsilon is chosen globally based on reg_epsilon.
    Default: False

Inspired by "A nonmonotone filter SQP method: local convergence and numerical results" by NICHOLAS I. M. GOULD, YUELING LOH, DANIEL P. ROBINSON, Sec. 5.1

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👍

@david0oo
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🚀

@FreyJo FreyJo merged commit 4b23b92 into acados:main Mar 13, 2025
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@FreyJo FreyJo deleted the reg_adapt_eps branch March 13, 2025 09:23
@FreyJo FreyJo mentioned this pull request Mar 19, 2025
FreyJo added a commit that referenced this pull request Mar 19, 2025
- fix test, run test on CI
- add option: `reg_min_epsilon`: Minimum value for epsilon if
regularize_method in ['PROJECT', 'MIRROR'] is used with
reg_adaptive_eps. Default: 1e-8.
- fix `reg_max_cond_block` default: 1e7 instead of 1e-7. Add check that
it must be >= 1.0.
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