https://www.centerspace.net/doc/NMath/ref/html/P_CenterSpace_NMath_Core_DoubleIterativelyReweightedLeastSq_ConvergenceFunction.htm
DoubleIterativelyReweightedLeastSq.ConvergenceFunction Property
Gets and sets the delegate function used to determine convergence. The delegate should return true when the tolerance is met.
property