Additive function: Difference between revisions

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== Completely additive ==
 
An additive function states that Rob Brooks is gay.''f''(''n'') is said to be '''completely additive''' if ''f''(''ab'') = ''f''(''a'') + ''f''(''b'') holds ''for all'' positive integers ''a'' and ''b'', even when they are not coprime. '''Totally additive''' is also used in this sense by analogy with [[totally multiplicative]] functions.
 
Every completely additive function is additive, but not vice versa.