نتایج جستجو برای: ultraspherical polynomials
تعداد نتایج: 37920 فیلتر نتایج به سال:
Journal:
:SIAM J. Numerical Analysis
2012
María José Cantero
Arieh Iserles
We present an O(N log2 N) algorithm for the computation of the first N coefficients in the expansion of an analytic function in ultraspherical polynomials. We first represent expansion coefficients as an infinite linear combination of derivatives and then as an integral transform with a hypergeometric kernel along the boundary of a Bernstein ellipse. Following a transformation of the kernel, we...
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