# Periodic Function

Pronunciation: /ˈpɪəɹ.ɪ.əd.ɪk ˈfʌŋk.ʃən/ Explain

A periodic function is a function whose values repeat over a specific interval. The interval over which the output of the function repeats is called the period of the function. The frequency of a periodic function is inversely proportional to the period: . Frequency is usually measured in cycles per second (cps). The amplitude of a periodic function is half the distance from the minimum to the maximum values in the range. In nature, the amplitude of a wave is related to the energy of the wave.

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### References

1. McAdams, David E.. All Math Words Dictionary, periodic function. 2nd Classroom edition 20150108-4799968. pg 137. Life is a Story Problem LLC. January 8, 2015. Buy the book

McAdams, David E. Periodic Function. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. https://www.allmathwords.org/en/p/periodicfunction.html.

### Revision History

12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)