On theA 0-acceptability of rational approximations to the exponential function with only real poles |
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| Authors: | Laurence A. Bales Ohannes A. Karakashian Steven M. Serbin |
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| Affiliation: | (1) Department of Mathematics, The University of Tennessee, 37996-1300 Knoxville, Tennessee, USA |
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| Abstract: | We consider rational approximations to the exponential function with real poles,  1–1,...,m–1, that correspond to implicit Runge-Kutta collocation methods. We show that if i 1/2,i=1,...,m, the rational approximation isA0-acceptable. |
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| Keywords: | 65L07 |
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