Before revision: Periodic behavior is defined as recurring at regular intervals, such as "every 24 hours".Periodicity – Definition and More from the Free Merriam-Webster Dictionary Quasiperiodic behavior is a pattern of recurrence with a component of unpredictability that does not lend itself to precise measurement .Quasiperiodic – Definition and More from the Free Merriam-Webster Dictionary It is different from the mathematical concept of The term used to denote oscillations that appear to follow a regular pattern but which do not have a fixed period.
After revision: Periodic behavior is defined as recurring at regular intervals, such as "every 24 hours".Periodicity – Definition and More from the Free Merriam-Webster Dictionary Quasiperiodic behavior is almost but not quite periodic .Quasiperiodic – Definition and More from the Free Merriam-Webster Dictionary The term used to denote oscillations that appear to follow a regular pattern but which do not have a fixed period.