In this paper, we propose an extended Levenberg-Marquardt (ELM) framework that generalizes the classic Levenberg-Marquardt (LM) method to solve the unconstrained minimization problem min where ρ (r (x ...

In this article, the problem of semi-parametric inference on the parameters of a multidimensional Lévy process L t with independent components based on the low-frequency observations of the ...

Support your confidence in this topic by refreshing your knowledge of substitution and changing the subject of formulae. A function takes an input value, applies a rule to it, and produces an output ...