
The estimation of the solution of a system of two differential equations introduced by Norton (1976) that is equivalent to the Gompertz law is performed by means of the recent adaptive scheme of Besancon and collaborators (2004). Results of computer simulations illustrate the robustness of the approach
10 pages, 4 eps figures, accepted version at Physica A
Physics - General Physics, General Physics (physics.gen-ph), FOS: Physical sciences, Computational Physics (physics.comp-ph), Physics - Computational Physics
Physics - General Physics, General Physics (physics.gen-ph), FOS: Physical sciences, Computational Physics (physics.comp-ph), Physics - Computational Physics
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