| Levenberg-Marquardt |
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| What if it
doesn’t converge? |
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| • | Multiply diagonal
by (1 + l),
increase l until
it does |
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| • | Halve the step
size Dm (my favorite) |
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| • | Use line search |
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| • | Other ideas? |
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| Uncertainty
analysis: covariance S = A-1 |
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| Is maximum
likelihood the best idea? |
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| How to start in
vicinity of global minimum? |
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