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Some results in linear interpolation theory

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1 Author(s)
Kay, S. ; University of Rhode Island, Kingston, USA

Using a well-known form for the inverse of a symmetric Toeplitz matrix, some results in linear interpolation theory are derived. For an autoregressive process it is shown that interpolation at the mid-point of a data record yields the minimum interpolation error. Also, some results for infinite length interpolators are simply derived.

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:31 ,  Issue: 3 )