65p. Function Properties - JulTob/Mathematics GitHub Wiki

Periodicity

A function Ζ’(𝚑)
is periodic
if there is a number 𝙿 such as
Ζ’(𝚑 + 𝙿) = Ζ’(𝚑).

The smallest 𝙿 is then defined to be the Fundamental 𝙿eriod.

Even

A function Ζ’(𝚑)
is Even
if Ζ’(𝚑) = Ζ’(-𝚑).

Odd

A function Ζ’(𝚑)
is Odd
if Ζ’(𝚑) = -Ζ’(-𝚑).