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- An Algorithmic Framework for Convex Mixed Integer Nonlinear Programs
- This paper is motivated by the fact that mixed integer nonlinear programming is an important and difficult area for which there is a need for developing new methods and software for solving large-scale problems. Moreover, both fundamental building blocks, namely mixed integer linear programming and nonlinear programming, have seen considerable...
- Tags: Integer, Programming, COIN-OR, Development Tools, Software Development, Software/Web Development
- White papers 2005-11-04
- Mixed-Integer Nonlinear Programming: Some Modeling and Solution Issues
- This paper examines various aspects of modeling and solution via Mixed-Integer NonLinear Programming MINLP. MINLP has much to offer as a powerful modeling paradigm. Recently, significant advances have been made in MINLP solution software. To fully realize the power of MINLP to solve complex business optimization problems, the paper needs...
- Tags: Modeling, MINLP, Research & Development, Business Operations
- White papers 2007-05-01
- The Conditional Correlation Attack: A Practical Attack on Bluetooth Encryption
- Motivated by the security of the nonlinear filter generator, the concept of correlation was previously extended to the conditional correlation, that studied the linear correlation of the inputs conditioned on a given short output pattern of some specific nonlinear function. Based on the conditional correlations, conditional correlation attacks were shown...
- Tags: Correlation, Encryption, Attack, Bluetooth, Security, Wireless
- White papers
- Improving Credit Scoring by Generalized Additive Model
- Logistic Regression has been widely used in the financial service industry for credit scoring models. Despite its advantages in easy interpretation and low computing cost, Logistic Regression is under the criticism of failure to model the nonlinear features of the predictor's effect on the dependent variable and therefore might lead...
- Tags: Industry, SAS Institute, Logistic Regression, Research & Development, Business Operations
- White papers 2007-05-14
- Nonlinear Complex Behaviour of TCP in UMTS Networks and Performance Analysis
- This paper presents a study of nonlinear complex behaviour in UMTS networks. Using the fundamentals of chaos theory the paper explores the chaotic nature of the TCP protocol when used in 3G UMTS mobile networks. Furthermore the paper evaluates the impact of nonlinear dynamic behaviour on the UMTS network performance....
- Tags: UMTS, Performance, Network, TCP, Cellular Phones, Tcp/Ip, Networking, Consumer Electronics, Personal Technology
- White papers 2006-05-12
- Adaptive Barrier Update Strategies for Nonlinear Interior Methods
- This paper considers strategies for selecting the barrier parameter at every iteration of an interior-point method for nonlinear programming. Numerical experiments suggest that adaptive choices, such as Mehrotra's probing procedure, outperform static strategies that hold the barrier parameter fixed until a barrier optimality test is satisfied. A new adaptive strategy...
- Tags: Barrier, Globalization, Strategy, Management
- White papers 2006-01-09
- Estimating Demand for Cellular Phone Service Under Nonlinear Pricing
- This paper develops empirical methods to analyze demand in a differentiated product market under nonlinear pricing. The author applies these techniques to study the cellular phone service market in Taiwan. The goal is to present a framework that can be used to obtain demand parameters and to evaluate the impact...
- Tags: Phone, Northwestern University, Author, Cell Phone, Goal, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2006-01-26
- MagCAD (zip)
- MagCAD is a simple low-cost software tool for computation of spatial distribution of the magnetic field created by permanent magnets and electric coils at presence of nonlinear ferromagnetic materials in cylindrically symmetrical systems. The magnetic field is calculated by numerical solution of the equation for vector potential on a uniform...
- Tags: Magnet, Field, MagCAD, Productivity
- Software downloads 2007-04-27
- Excel Scientific and Engineering Cookbook: Solving Equations
- In this paper we're going to focus on solving equations using Excel. Equation solving, in a general sense, can range from finding roots of single equations, to finding values of independent variables that yield a specific value of a dependent variable, to solving systems of nonlinear equations. There are many...
- Tags: Equation, Newton, Hildebrand, Microsoft Excel, Microsoft Office, Office Suites, Software
- Book chapters 2006-01-18
- Flight Evaluation of Adaptive High-Bandwidth Control Methods for Unmanned Helicopters
- This paper summarizes design of a high-bandwidth nonlinear adaptive attitude command system for an unmanned helicopter test bed, and presents an evaluation of the controller in both nonlinear simulation and flight test. The attitude command system features a dynamic inversion control law augmented by an on-line neural network. The design...
- Tags: Helicopter
- White papers 2008-05-29
- Stability Analysis of Some Classes of TCP/AQM Networks
- The local stability analysis of some classes of nonlinear time-delay systems, encountered as fluid flow models for TCP/AQM networks, is addressed. Necessary and sufficient conditions for the asymptotic stability of the linearized models are obtained. Nonlinear stability conditions are derived using a Lyapunov-Krasovskii functional approach. The analysis of fluid flow...
- Tags: Model, Analysis
- White papers 2006-05-15
- Premium Solver Platform for Excel (exe)
- Premium Solver Platform, created by Frontline Systems, developers of the Solver in Microsoft Excel, is a compatible upgrade of the Excel Solver that greatly extends its speed and problem solving capacity. If you ve run up against the size limits of the standard Solver (200 variables) or found it too...
- Tags: Programming, Microsoft Excel, Microsoft Office, Office Suites, Software
- Software downloads 2005-01-26
- OFDM and new Mobile systems
- OFDM mobile packet transmissionscheme that increases throughput by using nonlinear multiuser detectionMUD and automatic repeat request ARQ with metric-combining.
- Tags: amintuhami@..., OFDM, mobile system
- Discussion threads 2007-04-06
- Why OFDM uuse in new Mobile systems
- OFDM mobile packet transmissionscheme that increases throughput by using nonlinear multiuser detectionMUD and automatic repeat request ARQ with metric-combining.
- Tags: amintuhami@..., OFDM, mobile system
- Discussion threads 2007-04-06
- Direct Optimizer (zip)
- Direct Optimizer is a free nonlinear optimization Add-In for Microsoft Excel versions 97 and later. It is based on the Hooke-Jeeves algorithm, supports simple bounds for the variables, and has been used to minimize for example the Extended Rosenbrock test function (the famous "banana valley" function) for 100000 variables in...
- Tags: Variable, Direct Optimizer, Microsoft Excel, Engineering, Processors, Microsoft Office, Office Suites, Software, Semiconductors, Hardware, Components
- Software downloads 2006-03-22
- (Photos: Ideas become reality at Make Fest)
- Good to see people gatherSo much of these gatherings are about money anymore. This one looked to be more about just the ideas. That's nice to see as a change. Sometimes when let our imagination run free and we are at our happiest. The ideas flow...
- Tags: photograph, davidemcmurray@...
- Discussion threads 2007-04-06
- Website Ideas Needed!!!!
- Just wondering if anyone had any good ideas for websites. I have web design experience and want to design a new website. I'm open to any ideas.-Peter
- Tags: Web site development, Web technology, Petersnoboard93@..., Web site
- Discussion threads 2007-04-08
- Dark Ages II: Engel (exe)
- Dark Ages II: Engel is a large scale, nonlinear adventure about three thieves trying to survive in a world that is slowly falling into anarchy. Set with medieval theme, the plot contains several checkpoints that fork the adventure to different paths that open and close sub-quests. Playing the game a...
- Tags: Adventure, Keyboards, Games, Hardware, Peripherals, Personal Technology
- Software downloads 2006-08-22
- Website Ideas Needed!!!!
- Just wondering if anyone had any good ideas for websites. I have web design experience and want to design a new website. I'm open to any ideas.-PeterSure. Design the next Google.What are you getting at? It sounds like you are saying that you are a technician with no...
- Tags: Web site development, Web technology, Petersnoboard93@..., Web site
- Discussion threads 2007-04-15
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