""" f: a vector of functions x: a n (>1) dimensional vector, where f(x) is evaluated. dx: a finite change in the given point method: use central-difference approximation by default; use ...
Abstract: This paper presents a finite difference based Extended Kalman Filter (EKF) for real-time estimation of two-line elements (TLE) to be used in satellite mission. Three finite difference ...
Finite-difference approximations for the first derivative, valid halfway between equidistant gridpoints, are in general much more accurate than the corresponding approximations, which are valid at ...
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