41 search results - page 1 / 9 » On exact and approximate interpolation of sparse rational fu... |
ISSAC
2007
Springer
13 years 11 months ago
2007
Springer
The black box algorithm for separating the numerator from the denominator of a multivariate rational function can be combined with sparse multivariate polynomial interpolation alg...
SIAMNUM
2010
12 years 11 months ago
2010
The purpose of this study is to construct a high-order interpolation scheme for arbitrary scattered datasets. The resulting function approximation is an interpolation function when...
ISSAC
2007
Springer
13 years 11 months ago
2007
Springer
Algebraic randomization techniques can be applied to hybrid symbolic-numeric algorithms. Here we consider the problem of interpolating a sparse rational function from noisy values...
TCS
2008
13 years 4 months ago
2008
The problem of computing approximate GCDs of several polynomials with real or complex coefficients can be formulated as computing the minimal perturbation such that the perturbed ...
SIAMMAX
2011
12 years 7 months ago
2011
We investigate an acceleration technique for restarted Krylov subspace methods for computing the action of a function of a large sparse matrix on a vector. Its effect is to ultima...