METHODS OF IDENTIFICATION OF LOGISTIC DYNAMICS AND PRODUCT LIFE CYCLES USING FERHULST MODEL
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METHODS OF IDENTIFICATION OF LOGISTIC DYNAMICS AND PRODUCT LIFE CYCLES USING FERHULST MODEL
Annotation
PII
S042473880000616-6-1
Publication type
Article
Status
Published
Authors
Valery Semyonychev 
Varvara Kozhukhova Evgeny Semenychev
Pages
108-115
Abstract

The authors compare the results of several analytical identification methods adequacy of the Ferhulst (Pearl–Reed) logistic dynamics model by using test samples with different volumes, wide range of the model parameters values and stochastic component variances. The article shows the preference of using the Levenberg–Marquardt algorithm for minimizing a least squares method function for Ferhulst model and its possibility to model ‘fetish’-shaped product life cycles.

Keywords
Ferhulst model, modeling, forecasting, methods of identifi cation, adequacy, Levenberg–Marquardt algorithm, ‘fetish’-shaped product life cycle
Date of publication
01.04.2012
Number of purchasers
0
Views
95
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