MATHICSE Technical Report : Sparse spectral approximations for computing polynomial functionals

We give a new fast method for evaluating sprectral approximations of nonlinear polynomial functionals. We prove that the new algorithm is convergent if the functions considered are smooth enough, under a general assumption on the spectral eigenfunctions that turns out to be satisfied in many cases, including the Fourier and Hermite basis.


Year:
Jul 12 2012
Publisher:
Écublens, MATHICSE
Keywords:
Note:
MATHICSE Technical Report Nr. 25.2012 July 2012
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 Record created 2019-01-21, last modified 2019-06-19

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