Uniqueness of one-parameter exponential curves fitted by non-linear least-squares to non-negative data in monotone non-increasing blocks

Yves Nievergelt

Communications in Statistics - Theory and Methods, 2020, vol. 49, issue 24, 6129-6132

Abstract: For normalized non-negative data in monotone non-increasing blocks sufficiently close to test exponential functions computable in closed form, there is a unique one-parameter exponential decay curve fitted by weighted non-linear least squares. Upper and lower bounds in closed form bracket the optimal decay constant.

Date: 2020
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DOI: 10.1080/03610926.2019.1628274

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