Abstract
This note is concerned with the characterizations and uniqueness of bases of finite dimensional spaces of univariate continuous functions which are optimally stable for evaluation with respect to bases whose elements have no sign changes.
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Peña, J. A note on the optimal stability of bases of univariate functions. Numer. Math. 103, 151–154 (2006). https://doi.org/10.1007/s00211-005-0660-z
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DOI: https://doi.org/10.1007/s00211-005-0660-z