Abstract
The problem of approximating a real-valued, locally analytic functions,f(x), by an algebraic function,Q(x), is considered. Existence and uniqueness theorems are obtained under fairly general conditions, including those of “nonnormality.”
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Communicated by Edward B. Saff.
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McInnes, A.W. Existence and uniqueness of algebraic function approximations. Constr. Approx 8, 1–21 (1992). https://doi.org/10.1007/BF01208902
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DOI: https://doi.org/10.1007/BF01208902