Definition of periodic function in US English:
periodic function
nounˌpirēädik ˈfəNGkSH(ə)n
Mathematics A function returning to the same value at regular intervals.
Example sentencesExamples
- This is where any mathematical function is expressed as the sum of an infinite series of other periodic functions.
- His results concern the approximation theory of almost periodic functions.
- This has been done by subtracting a periodic function from the data.
- These turned out to be doubly periodic functions and are called elliptic functions.
- In particular he had found a continuous periodic function whose trigonometric interpolating polynomials, corresponding to equally spaces mesh points, diverge almost everywhere.