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Articles 481 - 486 of 486

Full-Text Articles in Mathematics

On Some Length Biased Inequalities For Reliability Measures, Broderick O. Oluyede Jan 2000

On Some Length Biased Inequalities For Reliability Measures, Broderick O. Oluyede

Mathematical Sciences: Faculty Publications

In this note, inequalities for length biased and the original residual life function and equilibrium distribution function with monotone hazard rate and mean residual life functions are derived. We also obtain estimates of the length biased probability density function and hazard function under random censoring. Finally, the Bayesian exponential reliability estimate under length biased sampling using a conjugate prior for the scale parameter is given.

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Interior-Point Methods And Modern Optimization Codes, Goran Lesaja Nov 1999

Interior-Point Methods And Modern Optimization Codes, Goran Lesaja

Mathematical Sciences: Faculty Publications

During the last fifteen years we have witnessed an explosive development in the area of optimization theory due to the introduction and development of interior-point methods. This development has quickly led to the development of new and more efficient optimization codes. In this paper, the basic elements of interior-point methods for linear programming will be discussed as well as extensions to convex programming, complementary problems, and semidefinite programming. Interior-point methods are polynomial and effective algorithms based on Newton 's method. Since they have been introduced, the classical distinction between linear programming methods, based on the simplex algorithm, and those methods …

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Stochastic Analysis Of Quality Control Charts Using Integral Equations, Kenneth Adam Scharnagl Jan 1998

Stochastic Analysis Of Quality Control Charts Using Integral Equations, Kenneth Adam Scharnagl

College of Graduate Studies: Theses & Dissertations (1964–2006)

No abstract provided.

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An Analysis Of Shewhart Quality Control Charts To Monitor Both The Mean And Variability, Keith Jacob Barrs Jan 1996

An Analysis Of Shewhart Quality Control Charts To Monitor Both The Mean And Variability, Keith Jacob Barrs

College of Graduate Studies: Theses & Dissertations (1964–2006)

When monitoring the mean of a continuous quality measure it is often recommended a separate chart be used to monitor the variability. These charts are traditionally designed separately. This project considers them together as a combined charting procedure and gives recommendations for their design. This is based on an average run length (ARL) analysis. The run length distribution is determined using two methods both based on a Markov chain approach.

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Quality Control In Induction Hardness And Computer Numerical Control Grinding, Sandra Wynne Bevill Jan 1993

Quality Control In Induction Hardness And Computer Numerical Control Grinding, Sandra Wynne Bevill

College of Graduate Studies: Theses & Dissertations (1964–2006)

The purpose of this research was to conduct an investigation into the improvement of quality of the products produced by the Cooper Hand Tools Division of Cooper Industries and make recommendations where applicable. Two processes were chosen: induction hardness and computer numerical control (CNC) grinding. The Jaw 0010C and the Jaw 311C were two products involved in the induction hardness process that were under experimentation. In the CNC grinding area, the following products' quality were studied: 166L shear (top blade only), 766 shear ( bottom blade only), and the IDS-SB shear (top blade only). Using statistical procedures and designs, some …

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The Jordan Canonical Form, Richard A. Freeman Jan 1972

The Jordan Canonical Form, Richard A. Freeman

College of Graduate Studies: Theses & Dissertations (1964–2006)

No abstract provided.

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