nearest-periodic-value.js


Find the nearest value of a discrete periodic function, given a point.

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Periodic functions are functions that repeat. Discrete functions are functions whose values do not
connect. An example of a discrete periodic function is the function of "Wednesdays" on a calendar.
Wednesdays are discrete values along a timeline, and they repeat every 7 days.

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The members of a periodic function's output are the "values." A single member is a "value."

The interval that the function repeats along is the "period."

A "point" is any value in the domain of the function.

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##### nearestPeriodicValue(point, value, period)

Find the nearest value to point. Supply a value from the codomain of the function, and its period.

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What if my point is equidistant between two values?

The value in front of your point will be chosen.