Interpolation is a method of constructing new data points within the range of a discrete set of known data points in the mathematical field of numerical analysis.

Look up interpolation in Wiktionary, the free dictionary.

Interpolation may also refer to:

• Interpolation space, in mathematical analysis, the space "in between" two other Banach spaces
• Craig interpolation, in mathematical logic, a result about the relationship between logical theories
• Interpolation (computer graphics), the generation of intermediate frames
  • Image scaling, the resizing of a digital image
  • Inbetweening, the generation of intermediate video frames
  • Motion interpolation, a form of video processing
• Interpolation theory, an explanation of the alternation of generations in plants
• String interpolation, in computing, the substitution of variables by their values

• Interpolation (classical music), musical material inserted between two logically succeeding functions
• Interpolation (popular music), the inclusion of a re-recorded (rather than sampled) melody from a previous song

• Interpolation (manuscripts), a passage not written by the original author
  • Christian interpolation, the insertion of Christian text into Jewish or secular manuscripts

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