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Technical note: Improved analytical fit to the TG‐43 radial dose function, g ( r )
Author(s) -
Moss Dale C.
Publication year - 2000
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.598926
Subject(s) - sigmoid function , function (biology) , polynomial , mathematics , dosimetry , mathematical analysis , nuclear medicine , computer science , medicine , artificial intelligence , evolutionary biology , artificial neural network , biology
An improved analytical fit for the TG‐43 radial dose function, g ( r ) , is presented using a modified sigmoid function. Fit coefficients and graphs are provided for comparison with the polynomial fits given in TG‐43.