Order stars and rational approximants to exp(z) (Q1121651)

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scientific article; zbMATH DE number 4104285
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Order stars and rational approximants to exp(z)
scientific article; zbMATH DE number 4104285

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    Order stars and rational approximants to exp(z) (English)
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    1989
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    For rational approximations to the exponential function, two results are given, one bounding the order of an A-acceptable scheme with given fitting and one bounding the order of an approximant having a given number of real poles.
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    Padé approximation
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    matrix exponential
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    order star
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    A-acceptable scheme
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    fitting
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