Editing Curve-fitting compaction (section)

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'''Curve-fitting compaction''' is  [[data compaction]] accomplished by replacing data to be stored or transmitted with an [[analytical expression]].

Examples of curve-fitting compaction consisting of [[discretization]] and then [[interpolation]] are:
* Breaking of a continuous curve into a series of straight line segments and specifying the [[slope]], [[Y-intercept|intercept]], and range for each segment  
* Using a mathematical [[Expression (mathematics)|expression]], such as a [[polynomial]] or a [[trigonometric function]], and a single point on the corresponding curve instead of storing or transmitting the entire graphic curve or a series of points on it.