SIAMMAX
2010
13 years 6 months ago
2010
We propose practical stopping criteria for the iterative solution of sparse linear least squares (LS) problems. Although we focus our discussion on the algorithm LSQR of Paige and ...
SIAMMAX
2010
13 years 6 months ago
2010
The condition metric in spaces of polynomial systems has been introduced and studied in a series of papers by Beltr
SIAMMAX
2010
13 years 6 months ago
2010
For the approximation of time-dependent data tensors and of solutions to tensor differential equations by tensors of low Tucker rank, we study a computational approach that can be ...
SIAMMAX
2010
13 years 6 months ago
2010
The polar decomposition of a square matrix has been generalized by several authors to scalar products on Rn or Cn given by a bilinear or sesquilinear form. Previous work has focuse...
SIAMMAX
2010
13 years 6 months ago
2010
Computational resolution enhancement (superresolution) is generally regarded as a memory intensive process due to the large matrix-vector calculations involved. In this paper, a de...
SIAMMAX
2010
13 years 6 months ago
2010
SIAMMAX
2010
13 years 6 months ago
2010
Optimality systems and their linearizations arising in optimal control of partial differential equations with pointwise control and (regularized) state constraints are considered. ...
SIAMMAX
2010
13 years 6 months ago
2010
Abstract. In studying the vibration of fast trains, we encounter a palindromic quadratic eigenvalue problem (QEP) (2AT +Q+A)z = 0, where A, Q Cn
SIAMMAX
2010
13 years 6 months ago
2010
It is well-known that two-level and multi-level preconditioned conjugate gradient (PCG) methods provide efficient techniques for solving large and sparse linear systems whose coeff...
SIAMMAX
2010
13 years 6 months ago
2010
Abstract. Linear inverse problems with uncertain measurement matrices appear in many different applications. One of the standard techniques for solving such problems is the total l...