Fix SingularMatrix problem in LM algorithm #1319
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rmjarvis
added
numerics
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LGTM! |
jmeyers314
approved these changes
Dec 2, 2024
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imsim unit tests are failing with galsim 2.6 because of the new hand-rolled LM solver. The problem is that some iterations can end up with a singular matrix. My solution here is to catch that exception and roll back lambda a bit. This seems to work.