2981 search results - page 430 / 597 » Word Sense and Subjectivity |
158
click to vote
SIAMSC
2008
15 years 6 months ago
2008
A novel approach to the X-ray tomography problem with sparse projection data is proposed. Non-negativity of the X-ray attenuation coefficient is enforced by modelling it as max{(x)...
123
click to vote
SIAMSC
2008
15 years 6 months ago
2008
In this note we consider the numerical solution of selfadjoint deblurring problems on bounded intervals. For these problems it has recently been shown that appropriate modelling of...
254
click to vote
SIAMSC
2008
15 years 6 months ago
2008
Abstract. We propose and study a block-iterative projections method for solving linear equations and/or inequalities. The method allows diagonal component-wise relaxation in conjun...
154
click to vote
SIAMSC
2008
15 years 6 months ago
2008
The correct formulation of numerical models for free-surface hydrodynamics often requires the solution of special linear systems whose coefficient matrix is a piecewise constant fu...
152
click to vote
SIAMSC
2008
15 years 6 months ago
2008
Abstract. A new iterative algorithm for the solution of minimization problems in infinitedimensional Hilbert spaces which involve sparsity constraints in form of p-penalties is pro...