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Topic Area: Math

Displaying records 151 to 160 of 221 records.
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151. Computation of Complex Airy Functions and Zeros using Asymptotics and Differential Equation
Topic: Math
Published: 12/1/2004
Authors: Bruce R Fabijonas, Daniel W Lozier, Frank William John Olver

152. Web-Based 3D Visualization in a Digital Library of Mathematical Functions
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7159
Topic: Math
Published: 11/1/2004
Authors: Qiming Wang, Bonita V Saunders
Abstract: The National Institute of Standards and Technology (NIST) is developing a digital library of mathematical functions to replace the widely used National Bureau of Standards Handbook of Mathematical Functions published in 1964 [1]. The NIST Digital Li ...

153. Pose of I-Beams for Construction Site Automation
Topic: Math
Published: 9/21/2004
Authors: David E. Gilsinn, Geraldine S Cheok, Alan M. (Alan M.) Lytle
Abstract: Automation of construction processes can result in reduced project costs and increased worker safety. A process that lends itself to automation is the picking and placing of objects. However, determining the pose (position and orientation) of an ob ...

154. Erratum: Statistical Interpretation of Key Comparison Reference Value and Degrees of Equivalence
Series: Journal of Research (NIST JRES)
Topic: Math
Published: 8/1/2004
Authors: Raghu N Kacker, Raju Vsnu Datla, Albert C Parr

155. Tool Length-Dependent Stability Surfaces
Topic: Math
Published: 4/20/2004
Authors: T L Schmitz, J C Ziegert, Timothy J Burns, Brian S. Dutterer, W R Winfough
Abstract: This paper describes the development of three-dimensional stability surfaces, or maps, that combine the traditional dependence of allowable (chatter-free) chip width on spindle speed with the inherent dependence on tool overhang length, due to the co ...

156. Comparative Statistical Analysis of Test Parts Manufactured in Production Environments
Series: NIST Interagency/Internal Report (NISTIR)
Topic: Math
Published: 2/2/2004
Authors: David E. Gilsinn, Alice V. Ling
Abstract: Estimating error uncertainties arising in production parts isnot a well understood process. This study developed an approach to estimatethese uncertainties. Machine tool error components on a vertical turningcenter were measured. Multiple parts were ...

157. A Pathwise Optimality Result For A Class of Unichain Markov Decision Processes
Topic: Math
Published: 2/1/2004
Author: Fern Y Hunt
Abstract: We begin this expository essay by reviewing with examples what a typical engineer already knows about statistics. We then consider a central question in engineering decision making, i.e., given a computer simulation of high-consequence systems, how ...

158. Parallel Programming with Interoperable MPI
Topic: Math
Published: 2/1/2004
Authors: William L George, John G Hagedorn, J E Devaney
Abstract: In this article we describe IMPI (Interoperable Message Passing Interface), a message passing protocol that allows you to easily run parallel programs across multiple clusters, SMPs (symmetric multiprocessors), parallel machines, personal computers, ...

159. Approximating Limit Cycles of a Van der Pol Equation with Delay
Topic: Math
Published: 1/15/2004
Author: David E. Gilsinn
Abstract: In this paper a theorem of Stokes is used to establish the existence of a periodic solution of a Van der Pol equation with fixed delay in the neighborhood of an approximating solution that satisfies a certain noncriticality condition.

160. Using Nanoscillatory Splines to Model Urban Environments
Topic: Math
Published: 1/15/2004
Authors: David E. Gilsinn, Marjorie A McClain, Christoph Johann Witzgall

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