In
mathematics, a
function is said to be
quasiperiodic when it has some similarity to a periodic function but does not meet the strict definition. To be more precise, this means a function
![](http://info.babylon.com/onlinebox.cgi?rt=GetFile&uri=!!ARV6FUJ2JP&type=0&index=64)
is quasiperiodic with quasiperiod
![](http://info.babylon.com/onlinebox.cgi?rt=GetFile&uri=!!ARV6FUJ2JP&type=0&index=2555)
if , where
![](http://info.babylon.com/onlinebox.cgi?rt=GetFile&uri=!!ARV6FUJ2JP&type=0&index=2527)
is a "
simpler" function than
![](http://info.babylon.com/onlinebox.cgi?rt=GetFile&uri=!!ARV6FUJ2JP&type=0&index=64)
. Note that what it means to be "
simpler" is vague.