Kernel smoother – Different terminology for many of the same processes, used in statistics
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The summations in the matrix JTJ can be evaluated in closed form,
Electronic filter | Digital filter | Cherry Filter | Air filter | Photographic filter | Ohne Filter | Kalman filter | digital filter | Water filter | water filter | Shiva amplifier chains showing spatial filter tubes (white) and Nd:glass amplifier structures (short blue tubes closest to camera). Portions of the 1982 Disney film ''Tron | Sand filter | Probabilistic data association filter | Oil filter | Neutral density filter | Marcel J. E. Golay | Klaus Filter | Fram (oil filter) | elliptic filter | CSS filter | Cast Iron Filter | Binary Golay code | Band-pass filter | air filter | Adaptive filter |