Meta information returned about the update.
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size_t | iterations |
| | The number of optimizer iterations performed.
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size_t | intermediateSteps |
| | The number of intermediate steps performed within the optimization. For L-M, this is the number of lambdas tried.
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size_t | nonlinearVariables |
| | The number of variables that can be relinearized.
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size_t | linearVariables |
| | The number of variables that must keep a constant linearization point.
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double | error |
| | The final factor graph error.
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FactorIndices | marginalFactorIndices |
| | Indices added during the marginalizeLeaves step.
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FactorIndices | deletedFactorIndices |
| | Indices removed during the marginalizeLeaves step.
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KeySet | keysOfDeletedNodes |
| | Keys of nodes removed during the marginalizeLeaves step.
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KeySet | expiredPendingKeys |
| | Keys of values that left the lag window before any factor referenced them, and were removed without marginalization.
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