Additive Function - Multiplicative Functions

Multiplicative Functions

From any additive function f(n) it is easy to create a related multiplicative function g(n) i.e. with the property that whenever a and b are coprime we have:

g(ab) = g(a) × g(b).

One such example is g(n) = 2f(n).

Read more about this topic:  Additive Function

Famous quotes containing the word functions:

    Empirical science is apt to cloud the sight, and, by the very knowledge of functions and processes, to bereave the student of the manly contemplation of the whole.
    Ralph Waldo Emerson (1803–1882)