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Showing 2007 · math.OCShow all
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math.OC2007★ 1 cited
On factorizations of smooth nonnegative matrix-values functions and on smooth functions with values in polyhedra
N. V. Krylov
We discuss the possibility to represent smooth nonnegative matrix-valued functions as finite linear combinations of fixed matrices with positive real-valued coefficients whose squa…
math.OC2007
Distances between time-series and their autocorrelation statistics
Tryphon T. Georgiou
We begin with an interpretation of the L1-distance between two power spectral densities and then, following an analogous rationale, we develop a natural metric for quantifying dist…