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  Eintrag Verweise
Autor (up) Akamine, T.   
  Titel Expansion of growth curves using a periodic function and BASIC programs by Marquardt's method Typ Zeitschrift, Artikel
  Jahr 1986 Publikation Bull. Japan Sea Reg. Fish. Res. Lab. Nissuiken Hokoku Kurztitel der Zeitschrift  
  Band Ausgabe 36 Seiten 77-107  
  Schlüsselwörter Wachstum, modell, methode, listing, basic, fischerei, statistik, algorithmus  
  Zusammenfassung The growth curves of von Bertalanffy, logistic and Gompertz models were expanded using a periodic function, f (t + 1) = f (t). Each model was expanded into l = l infinity (1-exph sub(1)), l = l infinity /(1 + exph sub(1)) and l = l infinity exp(-exph sub(1)) where h sub(1) = -K(F(t)-F(t sub(0))), F' = f, f = (1 + a)/2 + (1-a)/2 multiplied by cos 2 pi (t-t sub(1)) : a less than or equal to f less than or equal to 1. BASIC programs for each model were written by Marquardt's method. The following subjects were also considered : an expansion into another type, a parameter-error analysis, a comparison with the original model and with Walford's graphical method, and a calculation to determine the extreme points of the growth rate. This expansion of the growth curves is useful and the programs are easily applied to other curves.  
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  Organisation Abschlussarbeit  
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  Sprache Sprache der Zusammenfassung Originaltitel  
  Editor der Reihe Titel der Reihe Kurztitel der Reihe  
  Band der Reihe Ausgabe der Reihe Edition  
  ISSN ISBN Medium  
  Bereich Expedition Konferenz  
  Notizen Geprüft  
  Rufnummer 207 Signatur 2095  
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