Alex Townsend
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A fast and well-conditioned spectral method
S Olver, A Townsend
siam REVIEW 55 (3), 462-489, 2013
1552013
Fast and accurate computation of Gauss--Legendre and Gauss--Jacobi quadrature nodes and weights
N Hale, A Townsend
SIAM Journal on Scientific Computing 35 (2), A652-A674, 2013
1492013
An extension of Chebfun to two dimensions
A Townsend, LN Trefethen
SIAM Journal on Scientific Computing 35 (6), C495-C518, 2013
1162013
Why are big data matrices approximately low rank?
M Udell, A Townsend
SIAM Journal on Mathematics of Data Science 1 (1), 144-160, 2019
91*2019
On the singular values of matrices with displacement structure
B Beckermann, A Townsend
SIAM Journal on Matrix Analysis and Applications 38 (4), 1227-1248, 2017
702017
Continuous analogues of matrix factorizations
A Townsend, LN Trefethen
Proceedings of the Royal Society A: Mathematical, Physical and Engineering …, 2015
562015
The automatic solution of partial differential equations using a global spectral method
A Townsend, S Olver
Journal of Computational Physics 299, 106-123, 2015
552015
A fast, simple, and stable Chebyshev--Legendre transform using an asymptotic formula
N Hale, A Townsend
SIAM Journal on Scientific Computing 36 (1), A148-A167, 2014
502014
Vector spaces of linearizations for matrix polynomials: a bivariate polynomial approach
Y Nakatsukasa, V Noferini, A Townsend
SIAM Journal on Matrix Analysis and Applications 38 (1), 1-29, 2017
48*2017
Fast polynomial transforms based on Toeplitz and Hankel matrices
A Townsend, M Webb, S Olver
Mathematics of Computation 87 (312), 1913-1934, 2018
402018
A practical framework for infinite-dimensional linear algebra
S Olver, A Townsend
2014 First Workshop for High Performance Technical Computing in Dynamic …, 2014
362014
Fast computation of Gauss quadrature nodes and weights on the whole real line
A Townsend, T Trogdon, S Olver
IMA Journal of Numerical Analysis 36 (1), 337-358, 2016
342016
Computing with functions in spherical and polar geometries I. The sphere
A Townsend, H Wilber, GB Wright
SIAM Journal on Scientific Computing 38 (4), C403-C425, 2016
332016
Computing the common zeros of two bivariate functions via Bézout resultants
Y Nakatsukasa, V Noferini, A Townsend
Numerische Mathematik 129 (1), 181-209, 2015
332015
Stable extrapolation of analytic functions
L Demanet, A Townsend
Foundations of Computational Mathematics 19 (2), 297-331, 2019
322019
Computing with functions in two dimensions
A Townsend
University of Oxford, 2014
322014
Fast inverse transform sampling in one and two dimensions
S Olver, A Townsend
arXiv preprint arXiv:1307.1223, 2013
312013
A nonuniform fast Fourier transform based on low rank approximation
D Ruiz-Antolin, A Townsend
SIAM Journal on Scientific Computing 40 (1), A529-A547, 2018
262018
Computing with functions in spherical and polar geometries II. The disk
H Wilber, A Townsend, GB Wright
SIAM Journal on Scientific Computing 39 (3), C238-C262, 2017
192017
An algorithm for the convolution of Legendre series
N Hale, A Townsend
SIAM Journal on Scientific Computing 36 (3), A1207-A1220, 2014
192014
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Artiklar 1–20