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- W2914977246 abstract "The paper considers a modification (widetilde {P}_n) of the Post-Widder operators, which contains two auxiliary functions an(x), bn(x). The main result consists of the conclusion that under an appropriate choice of an(x), bn(x), the operator (widetilde {P}_n: C[0,infty )to C[0,infty )) has two eigenfunctions exp(cix) associated with the same unit eigenvalue. Here, c1 < c2 are real numbers. We establish direct estimates, including a quantitative asymptotic formula for the modified form of the operators. Finally, we represent the error graphically using the software Mathematica." @default.
- W2914977246 created "2019-02-21" @default.
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- W2914977246 date "2019-01-01" @default.
- W2914977246 modified "2023-09-24" @default.
- W2914977246 title "Modified Post-Widder Operators Preserving Exponential Functions" @default.
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- W2914977246 doi "https://doi.org/10.1007/978-3-030-02487-1_10" @default.
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