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Topic Area: Math

Displaying records 151 to 160 of 220 records.
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151. 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 ...

152. 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 ...

153. 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

154. 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 ...

155. 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 ...

156. 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 ...

157. 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, ...

158. 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.

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

160. Using Nonoscillatory Splines to Model Urban Environments
Topic: Math
Published: 1/15/2004
Authors: David E. Gilsinn, Marjorie A McClain, Christoph Johann Witzgall
Abstract: In this paper we introduce the notion of Lavery splines and examine their properties in the univariate case. We also discuss some of the details involved with computing these splines on irregularly spaced data.

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