docs: point-source pairing guide (over/under-prediction, solver settings, chi2 trade-offs)#248
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…ver settings, chi2 trade-offs) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PUuWXiS23FvmfQPLvMNjeM
This was referenced Jul 9, 2026
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Summary
The point-source pairing guide (
scripts/guides/point_source_pairing.py) — companion to PyAutoLabs/PyAutoLens#586 (issue PyAutoLabs/PyAutoLens#585). Documents the two failure modes (over/under-prediction), the three pairing schemes, theunmatched_model_policychoices and the demagnified-central convention, solver settings that masquerade as physics (grid resolution vs missed images, with the fresh cluster profiling numbers), and the source-plane vs image-plane chi² trade-off incl. the precision-floor caveat — ending with the "search source-plane, validate image-plane" workflow the Lenstool example follows. Runnable demonstration with exact numbers for all three cases.Scripts Changed
scripts/guides/point_source_pairing.py(+ navigator catalogue regen).Merge gate
Library-first: merge PyAutoLabs/PyAutoLens#586 before this PR.
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