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This paper is concerned with the problem of computing a discrete-coefficient approximation to a digital filter. In contrast to earlier works that have approached this problem using standard combinatorial optimization tools, we take a geometric approach. We define a Riemannian manifold, arising from the difference in frequency response between the two(More)
1 The availability of low-cost multi-core systems enables LabVIEW to combine sophisticated data acquisition systems with demanding numerical tasks. In a typical scenario information about a system is based on direct or derived measurements and the acquired data is used to solve linear or even nonlinear elliptic partial differential equations. The results(More)
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