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JMLR
2012
9 years 7 months ago
Beyond Logarithmic Bounds in Online Learning
We prove logarithmic regret bounds that depend on the loss L∗ T of the competitor rather than on the number T of time steps. In the general online convex optimization setting, o...
Francesco Orabona, Nicolò Cesa-Bianchi, Cla...
VRIPHYS
2010
10 years 12 months ago
Boundary Handling and Adaptive Time-stepping for PCISPH
We present a novel boundary handling scheme for incompressible fluids based on Smoothed Particle Hydrodynamics (SPH). In combination with the predictive-corrective incompressible ...
Markus Ihmsen, Nadir Akinci, Marc Gissler, Matthia...
CORR
2007
Springer
114views Education» more  CORR 2007»
11 years 5 months ago
High Performance Direct Gravitational N-body Simulations on Graphics Processing Units
We present the results of gravitational direct N-body simulations using the commercial graphics processing units (GPU) NVIDIA Quadro FX1400 and GeForce 8800GTX, and compare the re...
Simon Portegies Zwart, Robert G. Belleman, Peter G...
ESANN
2006
11 years 6 months ago
Learning for stochastic dynamic programming
Abstract. We present experimental results about learning function values (i.e. Bellman values) in stochastic dynamic programming (SDP). All results come from openDP (opendp.sourcef...
Sylvain Gelly, Jérémie Mary, Olivier...
COCO
2010
Springer
153views Algorithms» more  COCO 2010»
11 years 9 months ago
Communication Complexity with Synchronized Clocks
Abstract—We consider two natural extensions of the communication complexity model that are inspired by distributed computing. In both models, two parties are equipped with synchr...
Russell Impagliazzo, Ryan Williams
BMAS
2000
IEEE
11 years 9 months ago
Dynamic Time Step Control Algorithm Enhancements
Analog simulators typically use a dynamic, adaptive time step control strategy in order to minimize the calculations performed during inactive portions of a system’s operation, ...
James C. (Jim) Bach
PG
2002
IEEE
11 years 10 months ago
Visualization of Multidimensional, Multivariate Volume Data Using Hardware-Accelerated Non-Photorealistic Rendering Techniques
This paper presents a set of feature enhancement techniques coupled with hardware-accelerated nonphotorealistic rendering for generating more perceptually effective visualizations...
Aleksander Stompel, Eric B. Lum, Kwan-Liu Ma
WONS
2005
IEEE
11 years 10 months ago
Fast Distributed Algorithm for Convergecast in Ad Hoc Geometric Radio Networks
—Wireless ad hoc radio networks have gained a lot of attention in recent years. We consider geometric networks, where nodes are located in a euclidean plane. We assume that each ...
Alexander Kesselman, Dariusz R. Kowalski
ICRA
2005
IEEE
130views Robotics» more  ICRA 2005»
11 years 10 months ago
Effective Constrained Dynamic Simulation Using Implicit Constraint Enforcement
- Stable and effective enforcement of hard constraints is one of the crucial components in controlling physics-based dynamic simulation systems. The conventional explicit Baumgarte...
Min Hong, Min-Hyung Choi, Sunhwa Jung, Samuel W. J...
VIS
2004
IEEE
136views Visualization» more  VIS 2004»
12 years 6 months ago
Visibility Culling for Time-Varying Volume Rendering Using Temporal Occlusion Coherence
Typically there is a high coherence in data values between neighboring time steps in an iterative scientific software simulation; this characteristic similarly contributes to a co...
Jinzhu Gao, Han-Wei Shen, Jian Huang, James Arthur...
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