The author presents a simple proof of a property of the method of least squares variously known as the FWL, the Frisch-Waugh-Lovell, the Frisch-Waugh, or the decomposition theorem. Journal Information ...

In this paper, we first give the modified version of the iteration process of Thakur et al. [15] which is faster than Picard, Mann, Ishikawa, Noor, Agarwal et al. [2] and Abbas et al. [1] processes.