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Type of publication: research article
Type of publication (PDB): Straipsnis kitose duomenų bazėse / Article in other databases (S4)
Field of Science: Matematika / Mathematics (N001)
Author(s): Rupšys, Petras
Title: Tree taper modelling with stochastic differential equation
Is part of: Applied information and communication technologies [elektroninis išteklius]: proceedings of the 5-th international scientific conference, Jelgava, Latvia, April 26-27, 2012. Jelgava, 2012
Extent: p. 386-392
Date: 2012
Keywords: Stochastic differential equations;Taper curves;Fixed and mixed models;Log-likelihood functions
ISBN: 978-9984-48-065-7
Abstract: This paper introduces the application of stochastic differential equations for the tree taper modelling. We propose to model taper curves using stochastic differential equations that are deduced from the standard deterministic growth function by adding random variations to the growth dynamics. It is assumed that the conditional distribution of the taper diffusion process has an explicit form. We illustrate the efficiency of our method using the Gompertz and Vasicek diffusion processes to model data on Scots pine trees. The results are implemented in the symbolic computational language MAPLE
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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