Exact exponential ill-conditioning rate resolved for contiguous DFT submatrices, giving tight bound 2G/π for Vandermonde matrices with distinct points.
On the Fourier extension of nonperiodic functions.SIAM Journal on Numerical Analysis, 47(6):4326–4355
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
math.NA 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
citing papers explorer
-
On the exponential rate of the condition number of Fourier submatrices and Vandermonde matrices
Exact exponential ill-conditioning rate resolved for contiguous DFT submatrices, giving tight bound 2G/π for Vandermonde matrices with distinct points.