14 citations · 34 across the 20 of their papers we have counts for
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math.OC2015★ 1 cited
Chebyshev approximation for multivariate functions
Nadezda Sukhorukova, Julien Ugon, David Yost
In this paper, we derive optimality conditions (Chebyshev approximation) for multivariate functions. The theory of Chebyshev (uniform) approximation for univariate functions is ver…
math.OC2015★ 2 cited
Linear least squares problems involving fixed knots polynomial splines and their singularity study
Zahra Roshan Zamir, Nadezda Sukhorukova
In this paper, we study a class of approximation problems, appearing in data approximation and signal processing. The approximations are constructed as combinations of polynomial s…