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Infinite-horizon policy-gradient estimation

Baxter, J.; Bartlett, P. L. - 2001

Gradient-based approaches to direct policy search in reinforcement learning have received much recent attention as a means to solve problems of partial observability and to avoid some of the problems associated with policy degradation in value-function methods. In this paper we introduce GPOMDP,...

Persistent link: https://www.econbiz.de/10009438377

A Demonstration of the PMF-Extraction Approach: Modeling The Effects of Sound on Crowd Behavior

Cornwell, Jason B; Silverman, Barry G; O'Brien, Kevin; … - 2002

The vast majority of psychology, sociology, and other social-science literature describing human behavior and performance does not reach the eyes of those of us working in the modeling and simulation community. Our recent work has been concerned with the extraction and implementation of Human...

Persistent link: https://www.econbiz.de/10009438993

Approximate Maximum-Likelihood Estimation Of Circle Parameters Using A Phase-Coded Kernel

Zelniker, Emanuel; Clarkson, Ian Vaughan L. - 2004

The accurate fitting of a circle to noisy measurements of points on its circumference is an important and much-studied problem in statistics. Atherton & Kerbyson (Image and Vision Computing 17, 1999, 795-803) have proposed a complex convolutional circle parameter estimator. One of the estimators...

Persistent link: https://www.econbiz.de/10009448050

A Process for the Quantification of Aircraft Noise and Emissions Interdependencies

de Luis, Jorge - 2008

terms of flight characteristics, fuel burn, noise, and emissions. These coefficients are then utilized to model flight …

Persistent link: https://www.econbiz.de/10009475757

Arbitrage and Valuation in the Market for Standard and Poor's Depositary Receipts

Ackert, Lucy; Tian, Yisong S. - 2000

This paper examines pricing in the market for depositary receipts, securities designed to track the performance of a stock index that trade like shares of stock. Arbitrage costs are low because these assets have low fundamental risk, low transactions costs, and high dividend yields. We find that...

Persistent link: https://www.econbiz.de/10009459103

An Autoregressive Conditional Filtering Process to remove Intraday Seasonal Volatility and its Application to Testing the Noisy Rational Expectations Model

Cho, Jang Hyung - 2008

pattern to change over time without the filtering process injecting a spurious pattern of noise into the filtered series. We … embedded in the return series. The variance is decomposed into the information arrival component and the noise factor component …. This decomposition methodology differs from previous studies in that both the informational variance and the noise variance …

Persistent link: https://www.econbiz.de/10009460480

TERA- A Tool for Aero-engine Modelling and Management

Ogaji, S. O. T.; Pilidis, Pericles; Hales, Richard - 2007

incorporates multi-disciplinary modules for modellinggas turbine and aircraft performance, estimation of engine weight, noise and …

Persistent link: https://www.econbiz.de/10009463009