A robust estimation of the exponent function in the Gompertz law

V. Ibarra-Junquera, M.P. Monsivais, H.C. Rosu and R. López-Sandoval

Physica A: Statistical Mechanics and its Applications, 2006, vol. 368, issue 1, 225-231

Abstract: The estimation of the solution of a system of two differential equations introduced by Norton et al. [Predicting the course of Gompertzian growth, Nature 264 (1976) 542–544] that is equivalent to the famous Gompertz growth law is performed by means of the recent adaptive scheme of Besançon and collaborators [High gain observer based state and parameter estimation in nonlinear systems, paper 204, the sixth IFAC Symposium, Stuttgart Symposium on Nonlinear Control Systems (NOLCOS), 2004, available at 〈http://www.nolcos2004.uni-stuttgart.de〉]. Results of computer simulations illustrate the robustness of the approach.

Keywords: Gompertz law; Adaptive scheme; Diffeomorphism (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:368:y:2006:i:1:p:225-231

DOI: 10.1016/j.physa.2005.11.048

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