gtsam 4.1.1
gtsam

Meta information returned about the update.
Public Attributes  
size_t  iterations 
The number of optimizer iterations performed.  
size_t  lambdas 
The number of different LM lambda factors that were tried during optimization.  
size_t  nonlinearVariables 
The number of variables that can be relinearized.  
size_t  linearVariables 
The number of variables that must keep a constant linearization point.  
std::vector< size_t >  newFactorsIndices 
The indices of the newlyadded factors, in 1to1 correspondence with the factors passed as newFactors update(). More...  
double  error 
The final factor graph error.  
std::vector<size_t> gtsam::ConcurrentBatchFilter::Result::newFactorsIndices 
The indices of the newlyadded factors, in 1to1 correspondence with the factors passed as newFactors
update().
These indices may be used later to refer to the factors in order to remove them.