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Linear interpolation
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{{short description|Method of curve fitting to construct new data points within the range of known data points}} [[Image:LinearInterpolation.svg|thumb|right|300px|Given the two red points, the blue line is the linear interpolant between the points, and the value {{mvar|y}} at {{mvar|x}} may be found by linear interpolation.]] In mathematics, '''linear interpolation''' is a method of [[curve fitting]] using [[linear polynomial]]s to construct new data points within the range of a discrete set of known data points.
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