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» Gradient Convergence in Gradient methods with Errors
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EI
1998
41views more  EI 1998»
13 years 9 months ago
Structure Artifact Free Multi-Level Error Diffusion Algorithm
Error-diffusion is widely used to generate intensity levels between the primary levels of multi-level colour printing devices (ink-jet printers, electrophotographic printers). Sta...
Victor Ostromoukhov, Roger D. Hersch
SIAMJO
2011
13 years 2 months ago
Minimizing the Condition Number of a Gram Matrix
Abstract. The condition number of a Gram matrix defined by a polynomial basis and a set of points is often used to measure the sensitivity of the least squares polynomial approxim...
Xiaojun Chen, Robert S. Womersley, Jane J. Ye
JMLR
2010
161views more  JMLR 2010»
13 years 2 months ago
Dual Averaging Methods for Regularized Stochastic Learning and Online Optimization
We consider regularized stochastic learning and online optimization problems, where the objective function is the sum of two convex terms: one is the loss function of the learning...
Lin Xiao
PROCEDIA
2010
103views more  PROCEDIA 2010»
13 years 2 months ago
The Deflated Relaxed Incomplete Cholesky CG method for use in a real-time ship simulator
Ship simulators are used for training purposes and therefore have to calculate realistic wave patterns around the moving ship in real time. We consider a wave model that is based ...
E. van't Wout, M. B. van Gijzen, A. Ditzel, Auke v...
CDC
2010
IEEE
136views Control Systems» more  CDC 2010»
13 years 2 months ago
Pathologies of temporal difference methods in approximate dynamic programming
Approximate policy iteration methods based on temporal differences are popular in practice, and have been tested extensively, dating to the early nineties, but the associated conve...
Dimitri P. Bertsekas