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IEEE

Best Least Squares Paraunitary Approximation: Analytic Procrustes Problem

Abstract: This paper addresses the analytic Procrustes problem, which aims to find the best least-squares paraunitary approximation of a square matrix of analytic transfer functions, or the best ...
C&EN

A General Framework of Scanning Tunneling Microscopy Based on Bardeen’s Approximation for Isolated Molecules

Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, MOE Key Laboratory of Computational Physical Sciences, ...
The Conversation

Written in stone: the world’s first trigonometry revealed in an ancient Babylonian tablet

The ancient Babylonians – who lived from about 4,000BCE in what is now Iraq – had a long forgotten understanding of right-angled triangles that was much simpler and more accurate than the conventional ...
Scientific Research Publishing

Numerical Study of One Dimensional Fishers KPP Equation with Finite Difference Schemes ()

In this paper, we originate results with finite difference schemes to approximate the solution of the classical Fisher Kolmogorov Petrovsky Piscounov (KPP) equation from population dynamics. Fisher’s ...