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Title:O rastnih funkcijah
Authors:ID Cedilnik, Anton (Author)
Files:.pdf PDF - Presentation file, download (1,23 MB)
MD5: 9277AD6D7A2E067312A6352FFA2871BB
 
Language:Slovenian
Typology:1.01 - Original Scientific Article
Organization:Logo SciVie - Slovenian Forestry Institute
Abstract:Članek ima namen z matematičnega stališča osvetliti lastnosti funkcij, ki jih gozdarji, agronomi in biologi uporabljajo za opis rasti nekaterih količin, kot višinska, debelinska, prostorninska rast dreves v odvisnosti od časa in podobno. Navadno uporabljajo za ponazoritev teh procesov elementarne, odsekoma analitične funkcije, ker na takih lahko uporabimo metode aproksimacije eksperimentalnih podatkov. Vendar take funkcije le grobo kažejo dejanska dogajanja v majhnih intervalih neodvisne spremenljivke. Zato bi bilo treba postaviti trdnejše temelje in kriterije za določevanje tipov funkcij, ki bi bile primerne za opisovanje katerih koli pojavov te vrste. Ta študija je poskus v tej smeri.
Keywords:matematika, gozdarstvo, rastna funkcija, biološka rast, karakteristična funkcija, subjektivni čas, rast drevesa, mathematics, forestry, growth function, biological growth, characteristic function, subjective time, growth of a tree
Year of publishing:1979
Number of pages:str. 351-391
Numbering:Vol. 17, Iss. 2
PID:20.500.12556/DiRROS-7953 New window
UDC:630*5:517.5
ISSN on article:0351-3114
COBISS.SI-ID:7989593 New window
Publication date in DiRROS:12.07.2017
Views:2974
Downloads:1181
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Record is a part of a journal

Title:Zbornik gozdarstva in lesarstva
Shortened title:Zb. gozd. lesar.
Publisher:Gozdarski inštitut Slovenije
ISSN:0351-3114
COBISS.SI-ID:6206978 New window

Secondary language

Language:English
Abstract:This article wants to discuss from a mathematical point ow wiev properties of functions that are used by forest engineers, agronomists and biologists for description of growth of some quantities like growth of height, thickness, or volume of trees in dependence of time etc. To illustrate these processes normally the elementary piecewise analitical functions are used, because to these the methods of approximation of experimental data can be applied. Nevertheless, those functions only roughly show the actual events in the small intervals of an independent variable. It is necessary then, to aply more solid foundations and criteria to determine the types of more appropriate functions which could describe any of phenomena of this kind.


Collection

This document is a part of these collections:
  1. Acta Silvae et Ligni

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