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Mathematics of Computation

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Restricted range approximation and its application to digital filter design


Author: James T. Lewis
Journal: Math. Comp. 29 (1975), 522-539
MSC: Primary 65D15; Secondary 94A05
DOI: https://doi.org/10.1090/S0025-5718-1975-0381245-X
MathSciNet review: 0381245
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Abstract: The multiple exchange algorithm for restricted range approximation is discussed. Efficient formulas are derived for the numerical implementation of the method. Discretization effects are analyzed mathematically. The method is applied to a certain problem arising in digital filter design.


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Additional Information

DOI: https://doi.org/10.1090/S0025-5718-1975-0381245-X
Keywords: Approximation with restricted range, computation of best approximations, digital filter design
Article copyright: © Copyright 1975 American Mathematical Society