Abstract
We consider problems arising in the determination of best approximations to complex-valued data. The emphasis is on linear approximation in the ℓ1 and ℓ∞ norms, but some remarks on ℓ∞ rational approximation are also included.
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References
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Barrodale, I. (1978). Best approximation of complex-valued data. In: Watson, G.A. (eds) Numerical Analysis. Lecture Notes in Mathematics, vol 630. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0067692
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DOI: https://doi.org/10.1007/BFb0067692
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