Preprint Article Version 1 This version is not peer-reviewed

A Note on Smooth Transcendental Approximation to |x|

Version 1 : Received: 19 February 2019 / Approved: 20 February 2019 / Online: 20 February 2019 (11:44:07 CET)

How to cite: Bagul, Y.J.; Khairnar, B.K. A Note on Smooth Transcendental Approximation to |x|. Preprints 2019, 2019020190 (doi: 10.20944/preprints201902.0190.v1). Bagul, Y.J.; Khairnar, B.K. A Note on Smooth Transcendental Approximation to |x|. Preprints 2019, 2019020190 (doi: 10.20944/preprints201902.0190.v1).

Abstract

In this review paper, we present a pellucid proof of how x tanh(x/µ) approximates |x|and is better than  √x2 +µ  when we are concernedwith accuracy.  

Subject Areas

Smooth transcendental approximation; Hyperbolic tangent

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