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[会议论文] 作者：Guettel Stefan,
来源：第八届工业与应用数学国际大会 年份：2015
We discuss recent advances in rational Krylov techniques for the approximation of matrix functions....
[会议论文] 作者：Guettel Stefan,
来源：第八届工业与应用数学国际大会 年份：2015
The optimization of pole parameters for rational Krylov methods is an active area of research....
[会议论文] 作者：Guettel Stefan,
来源：第八届工业与应用数学国际大会 年份：2015
The newly developed MATLAB Rational Krylov Toolbox(available from http://guettel.com/rktoolbox)implements a class called RKFUN for representing and working...
[会议论文] 作者：Frommer Andreas,Guettel Stefan,
来源：第八届工业与应用数学国际大会 年份：2015
We show that the restarted Arnoldi method to compute f(A)b converges,provided that f is a Stieltjes function and A is hermitian and positive definite....
[会议论文] 作者：Botchev (Bochev) Mikhail,Guettel Stefan,
来源：第八届工业与应用数学国际大会 年份：2015
Matrix functions have become an important tool in Applied Mathematics,however their computation is particularly challenging for large matrices....
[会议论文] 作者：Trefethen Lloyd N.,Guettel Stefan,
来源：第八届工业与应用数学国际大会 年份：2015
A recent theme in algorithms and software is efficient numerical computation with functions in a manner that "feels symbolic" since the accuracy is high and...
Rational Approximation of the Function z-1/2 with A Shifted Slit on the Union of A Positive and A Ne
[会议论文] 作者：Druskin Vladimir,Guettel Stefan,Knizhnerman Leonid,
来源：第八届工业与应用数学国际大会 年份：2015
When constructing absorbing boundary conditions for discretized hyperbolic PDEs,one needs good [(m-1)/m] rational approximants to z-1/2 on the union of a po...
Rational Approximation of the Function z-1/2 with A Shifted Slit on the Union of A Positive and A Ne
[会议论文] 作者：Druskin Vladimir,Guettel Stefan,Knizhnerman Leonid,
来源：第八届工业与应用数学国际大会 年份：2015
When constructing absorbing boundary conditions for discretized hyperbolic PDEs,one needs good [(m-1)/m] rational approximants to z-1/2 on the union of a positive and a negative real line segment....
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