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Articles 62761 - 62790 of 62877

Full-Text Articles in Physical Sciences and Mathematics

Terminal Talk - The Wofford Connection - August 1972, Wofford College Computer Center Aug 1972

Terminal Talk - The Wofford Connection - August 1972, Wofford College Computer Center

Terminal Talk

No abstract provided.


Moment-Curvature-Thrust Relationships In Hybrid Members, Douglas Wrenn Fiala Jul 1972

Moment-Curvature-Thrust Relationships In Hybrid Members, Douglas Wrenn Fiala

Dissertations and Theses

In order to overcome the difficulties encountered in closed form solutions, moment-curvature-thrust relationships are developed for hybrid and nonhybrid cross sections utilizing an open form method. The use of horizontal sectors permits the inclusion of residual stresses and/or nonbilinear stress-strain relationships, if desired. Theoretical and experimental data are compared. Applications to circular tubes and other cross sections are discussed. Results indicate that open form solutions are feasible for calculating moment-curvature-thrust data. Hybrid cross sections are easily treated by open form solutions.


Terminal Talk - The Wofford Connection - June 1972, Wofford College Computer Center Jun 1972

Terminal Talk - The Wofford Connection - June 1972, Wofford College Computer Center

Terminal Talk

No abstract provided.


A Planning And Cost Allocation Procedure For Computer System Management, J. Nunamaker, A. Whinston Jun 1972

A Planning And Cost Allocation Procedure For Computer System Management, J. Nunamaker, A. Whinston

Department of Computer Science Technical Reports

No abstract provided.


Generalized Finite-Geometry Codes, Carlos R.P. Hartmann, Luther D. Rudolph Apr 1972

Generalized Finite-Geometry Codes, Carlos R.P. Hartmann, Luther D. Rudolph

Electrical Engineering and Computer Science - Technical Reports

A technique is presented for constructing cyclic codes that retain many of the combinatorial properties of finite-geometry codes, but are often superior to geometry codes. It is shown that L-step orthogonalization is applicable to certain subclasses of these codes.


Digital Computer Modeling Of Limestone Groundwater Systems, John Thrailkill, David P. Beiter Apr 1972

Digital Computer Modeling Of Limestone Groundwater Systems, John Thrailkill, David P. Beiter

KWRRI Research Reports

Because limestone groundwater flows mainly In discrete openings, limestone aquifers are fundamentally different from aquifers In granular rocks. A digital computer program which simulates flow in a limestone aquifer as a pipe network was written and compared with the Sinkhole Plain aquifer of west-central Kentucky.

A reasonably good fit between observed parameters of the aquifer and those calculated were obtained under assumed conditions of both laminar and turbulent now In the aquifer. The Indicated gross permeablllty of the aquifer is 5600 melnzers with an assumed aquifer thickness of 100 feet. The location and discharge of springs along the streams bounding …


Digital Video Display System Using Cathode-Ray Tube, George M. Low, Arthur I. Zygielbaum, Warren L. Martin, Alexander Engel Mar 1972

Digital Video Display System Using Cathode-Ray Tube, George M. Low, Arthur I. Zygielbaum, Warren L. Martin, Alexander Engel

School of Natural Resources: Faculty Publications

A digital video display system (DWDS) is disclosed for display of image, alphanumeric and other data on a cathode-ray tube (CRT) with sequential raster scan and two, four or eight gray shades. The DVDS includes a central processing unit for ac tivating the system, selecting the X (horizontal axis) and Z (in tensity modulation) modes, and designating the starting loca tion of two successive rasters of data from a memory accessed by a data multiplexer subsystem (DMS). At the end of each raster, the DMS interrupts the computer for a new starting lo cation of a raster of data to …


Decoding By Sequential Code Reduction, Luther D. Rudolph, Carlos R.P. Hartmann Mar 1972

Decoding By Sequential Code Reduction, Luther D. Rudolph, Carlos R.P. Hartmann

Electrical Engineering and Computer Science - Technical Reports

A general decoding method for cyclic codes is presented which gives promise of substantially reducing the complexity of decoders at the cost of a modest increase in decoding time (or delay). Significant reductions in decoder complexity for binary cyclic finite-geometry codes are demonstrated, and two decoding options for the Golay code are presented.


Software Simulation Of The D17b Computer, Bruce Chatterton Mar 1972

Software Simulation Of The D17b Computer, Bruce Chatterton

Theses and Dissertations

A software program has been written which simulates the functions of the Minuteman D17B computer at the register transfer level. The simulation program is written in the FORTRAN Extended language to be used on the Intercom System (teletype) of a CDC 6600 computer system. The simulation program consists of a main program and eight subroutines. A programming language for the D17B simulation was formed which contains numbers and load codes, switches, and miscellaneous commands. Example programs run on the simulated computer have been included to show the types of output available.


Terminal Talk - The Wofford Connection - February 1972, Wofford College Computer Center Feb 1972

Terminal Talk - The Wofford Connection - February 1972, Wofford College Computer Center

Terminal Talk

No abstract provided.


Some Results On The Best Match Problem, Luther D. Rudolph, Kishan Mehrotra, Ralph J. Longobardi Feb 1972

Some Results On The Best Match Problem, Luther D. Rudolph, Kishan Mehrotra, Ralph J. Longobardi

Electrical Engineering and Computer Science - Technical Reports

The "best-match problem" is concerned with the complexity of finding the best match between a randomly chosen query word and the members of a randomly chosen set of data words. Of principal interest is whether it is possible to significantly reduce the search time required, as compared to exhaustive comparison, by use of memory redundancy (file structure). Minskv and Papert conjecture that "the speed-up values of large memory redundancies is very small, and for large data sets with long word lengths there are no practical alternatives to large searches that inspect large parts of memory". For this report we present …


A Methodology For The Design And Optimization Of Information Processing Systems, J. F. Nunamaker Jan 1972

A Methodology For The Design And Optimization Of Information Processing Systems, J. F. Nunamaker

Department of Computer Science Technical Reports

No abstract provided.


A Note On Orders Of Enumeration, John Helm, Albert Meyer, Paul Young Jan 1972

A Note On Orders Of Enumeration, John Helm, Albert Meyer, Paul Young

Department of Computer Science Technical Reports

No abstract provided.


Computerized Registration For High Schools, Kenneth Lee Fore Jan 1972

Computerized Registration For High Schools, Kenneth Lee Fore

Masters Theses

"The guidance personnel in a high school are often burdened with the duty of hand scheduling the student's courses. Using the computer as a sub-optimizing tool in the registration of students, however, can cut scheduling time dramatically and relieve the guidance department of an onerous chore. The technique described in this investigation uses a conflict matrix that schedules the student's request and keeps the class load level within the course sections. A search of the schedule array for each course request may uncover a conflict. If no conflict occurs the course is scheduled and the remaining courses for this student …


The Myhill Functor, Input-Reduced Machines, And Generalised Krohn-Rhodes Theory, Robert H. Yacobellis Jan 1972

The Myhill Functor, Input-Reduced Machines, And Generalised Krohn-Rhodes Theory, Robert H. Yacobellis

Computer Science: Faculty Publications and Other Works

No abstract provided.


Terminal Talk - The Wofford Connection - December 1971, Wofford College Computer Center Dec 1971

Terminal Talk - The Wofford Connection - December 1971, Wofford College Computer Center

Terminal Talk

No abstract provided.


Symmetric Binary B-Trees: Data Structure And Algorithms For Random And Sequential Information Processing, Rudolf Bayer Nov 1971

Symmetric Binary B-Trees: Data Structure And Algorithms For Random And Sequential Information Processing, Rudolf Bayer

Department of Computer Science Technical Reports

No abstract provided.


Terminal Talk - The Wofford Connection - October 1971, Wofford College Computer Center Oct 1971

Terminal Talk - The Wofford Connection - October 1971, Wofford College Computer Center

Terminal Talk

No abstract provided.


Terminal Talk - The Wofford Connection - September 1971, Wofford College Computer Center Sep 1971

Terminal Talk - The Wofford Connection - September 1971, Wofford College Computer Center

Terminal Talk

No abstract provided.


Terminal Talk - The Wofford Connection - August 1971, Wofford College Computer Center Aug 1971

Terminal Talk - The Wofford Connection - August 1971, Wofford College Computer Center

Terminal Talk

No abstract provided.


An Axiom System For The Weak Monadic Second Order Theory Of Two Successors, Dirk Siefkes Jul 1971

An Axiom System For The Weak Monadic Second Order Theory Of Two Successors, Dirk Siefkes

Department of Computer Science Technical Reports

No abstract provided.


A Simplex Algorithm - Gradient Projection Method For Nonlinear Programming, L. Duane Pyle Jun 1971

A Simplex Algorithm - Gradient Projection Method For Nonlinear Programming, L. Duane Pyle

Department of Computer Science Technical Reports

No abstract provided.


Terminal Talk - The Wofford Connection - June 1971, Wofford College Computer Center Jun 1971

Terminal Talk - The Wofford Connection - June 1971, Wofford College Computer Center

Terminal Talk

No abstract provided.


Unsteady Flow Toward Partially Penetrating Artesian Wells, Y. H. Huang Jun 1971

Unsteady Flow Toward Partially Penetrating Artesian Wells, Y. H. Huang

KWRRI Research Reports

A numerical method programmed for a high-speed computer was developed for determining the drawdown around an artesian well. A salient feature of the program is that it can be used for both fully and partially penetrating wells in either infinite or finite aquifers. The method Involves the application of finite difference equations to the well-known heat equation using a graded network. A comparison of the finite difference solutions with those obtained from the close-form formulas of Muskat, Theis, and Hantush indicates the validity of the method. A comparison between the finite difference solutions and the drawdowns measured on a sand …


Terminal Talk - The Wofford Connection- May 1971, Wofford College Computer Center May 1971

Terminal Talk - The Wofford Connection- May 1971, Wofford College Computer Center

Terminal Talk

No abstract provided.


A Computerized Study Of Midpalatal Suture Expansion, Clelan G. Ehrler May 1971

A Computerized Study Of Midpalatal Suture Expansion, Clelan G. Ehrler

Loma Linda University Electronic Theses, Dissertations & Projects

An investigation has been conducted to consider the effects of midpalatal suture expansion on the cranial-facial complex. Nine patients were treated that had constricted maxillae. Data was obtained from frontal and lateral headplate radiographs which were taken at four intervals during treatment. The Rocky Mountain Data Systems diagnosis was utilized to interpret the radiographic data.

The data from the nine cases were averaged to obtain a composit [sic] change at each of the four times.

Examination of the lateral headplate data revealed that no permanent significant alteration occurred to the positions of the mandible or maxilla in a vertical or …


Terminal Talk - The Wofford Collection - March 1971, Wofford College Computer Center Mar 1971

Terminal Talk - The Wofford Collection - March 1971, Wofford College Computer Center

Terminal Talk

No abstract provided.


Terminal Talk - The Wofford Connection February 1971, Wofford College Computer Center Feb 1971

Terminal Talk - The Wofford Connection February 1971, Wofford College Computer Center

Terminal Talk

No abstract provided.


Terminal Talk - The Wofford Connection - January 1971, Wofford College Computer Center Jan 1971

Terminal Talk - The Wofford Connection - January 1971, Wofford College Computer Center

Terminal Talk

No abstract provided.


Bayesian Confidence Limits For The Reliability Of Mixed Exponential And Distribution-Free Cascade Subsystems, Melvin D. Springer, James K. Byers Jan 1971

Bayesian Confidence Limits For The Reliability Of Mixed Exponential And Distribution-Free Cascade Subsystems, Melvin D. Springer, James K. Byers

Computer Science Faculty Research & Creative Works

The problem treated here is the theoretical one of deriving exact Bayesian confidence intervals for the reliability of a system consisting of some independent cascade subsystems with exponential failure probability density functions (pdf) mixed with other independent cascade subsystems whose failure pdf's are unknown. The Mellin integral transform is used to derive the posterior pdf of the system reliability. The posterior cumulative distribution function (cdf) is then obtained in the usual manner by integrating the pdf, which serves the dual purpose of yielding system reliability confidence limits while at the same time providing a check on the derived pdf. A …