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A robust estimation of the exponent function in the Gompertz law

Author

Listed:
  • Ibarra-Junquera, V.
  • Monsivais, M.P.
  • Rosu, H.C.
  • López-Sandoval, R.

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.

Suggested Citation

  • Ibarra-Junquera, V. & Monsivais, M.P. & Rosu, H.C. & López-Sandoval, R., 2006. "A robust estimation of the exponent function in the Gompertz law," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 368(1), pages 225-231.
    • Handle: RePEc:eee:phsmap:v:368:y:2006:i:1:p:225-231
    DOI: 10.1016/j.physa.2005.11.048
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