Fitting a Logarithmic Spiral to Empirical Data with Displaced Origin" Available at SSRN: http://ssrn.com/abstract=897863

Introduction: Nature produces amazingly varied geometrical patterns (Gielis, 2003). In particular, logarithmic spirals are abundantly observed in nature. Gastropods/cephalopods (such as nautilus, cowie, grove snail, thatcher, etc.) in the mollusca phylum have spiral shells, mostly exhibiting logarit...

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Bibliographic Details
Main Author: Sk Mishra
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 2006
Subjects:
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.71.9220
http://www.freewebs.com/nehu_economics/logspiral.pdf
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Summary:Introduction: Nature produces amazingly varied geometrical patterns (Gielis, 2003). In particular, logarithmic spirals are abundantly observed in nature. Gastropods/cephalopods (such as nautilus, cowie, grove snail, thatcher, etc.) in the mollusca phylum have spiral shells, mostly exhibiting logarithmic spirals vividly. Spider webs show a similar pattern. The low-pressure area over Iceland and the Whirlpool Galaxy resemble logarithmic