On the Chebyshev approximation of a function with two variables

Published 18 Apr 2015 in math.NA | (1504.04693v1)

Abstract: There is presented an approach to find an approximation polynomial of a function with two variables based on the two dimensional discrete Fourier transform. The approximation polynomial is expressed through Chebyshev polynomials. There is given an uniform convergence result.

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Authors (1)

Ernest Scheiber

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