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Browsing School of Engineering by Title

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  • A multiple secretary problem with switch costs 
    Ding, Jiachuan (Massachusetts Institute of Technology, 2007)
    In this thesis, we utilize probabilistic reasoning and simulation methods to determine the optimal selection rule for the secretary problem with switch costs, in which a known number of applicants appear sequentially in a ...
  • Multiscale Dynamic Time and Space Warping 
    Fitriani (Massachusetts Institute of Technology, 2008)
    Dynamic Time and Space Warping (DTSW) is a technique used in video matching applications to find the optimal alignment between two videos. Because DTSW requires O(N4) time and space complexity, it is only suitable for short ...
  • A multiscale framework for Bayesian inference in elliptic problems 
    Parno, Matthew David (Massachusetts Institute of Technology, 2011)
    The Bayesian approach to inference problems provides a systematic way of updating prior knowledge with data. A likelihood function involving a forward model of the problem is used to incorporate data into a posterior ...
  • Must linear algebra be block cyclic? : and other explorations into the expressivity of data parallel and task parallel languages 
    Sundaresh, Harish Peruvamba (Massachusetts Institute of Technology, 2007)
    Prevailing Parallel Linear Algebra software block cyclically distributes data across its processors for good load balancing and communication between its nodes. The block cyclic distribution schema characterized by cyclic ...
  • A nonsmooth exclusion test for finding all solutions of nonlinear equations 
    Kumar, Vinay, S.M. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2007)
    A new approach is proposed for finding all solutions of systems of nonlinear equations with bound constraints. The zero finding problem is converted to a global optimization problem whose global minima with zero objective ...
  • Numerical simulations of perforated plate stabilized premixed flames with detailed chemistry 
    Kedia, Kushal Sharad (Massachusetts Institute of Technology, 2010)
    The objective of this work is to develop a high efficiency two-dimensional reactive flow solver to investigate perforated-plate stabilized laminar premixed flames. The developed code is used to examine the impact of the ...
  • On the computation of probabilities and eigenvalues for random and non-random matrices 
    Peruvamba Sundaresh, Vignesh (Massachusetts Institute of Technology, 2009)
    Can you imagine doing hundreds of millions of operations on non-integers and not obtaining a single round-off error? For n < 12, the algorithm used in this thesis does exactly that. We took advantage of a floating point ...
  • On the Gap-Tooth direct simulation Monte Carlo method 
    Armour, Jessica D (Massachusetts Institute of Technology, 2012)
    This thesis develops and evaluates Gap-tooth DSMC (GT-DSMC), a direct Monte Carlo simulation procedure for dilute gases combined with the Gap-tooth method of Gear, Li, and Kevrekidis. The latter was proposed as a means of ...
  • On the predictive capability and stability of rubber material models 
    Zheng, Haining (Massachusetts Institute of Technology, 2008)
    Due to the high non-linearity and incompressibility constraint of rubber materials, the predictive capability and stability of rubber material models require specific attention for practical engineering analysis. In this ...
  • Optimal corporate investment and financing policies with time-varying investment opportunities 
    Cai, Linjiang (Massachusetts Institute of Technology, 2011)
    Bolton, Chen and Wang (2009) propose a model (the BCW model) of dynamic corporate investment, financing, and risk management for a financially constrained firm. In the BCW model, corporate risk management is a combination ...
  • Optimal operating strategy for a storage facility 
    Zhai, Ning (Massachusetts Institute of Technology, 2008)
    In the thesis, I derive the optimal operating strategy to maximize the value of a storage facility by exploiting the properties in the underlying natural gas spot price. To achieve the objective, I investigate the optimal ...
  • Optimization for recipe-based, diet-planning inventory management 
    Kang, Sheng (Massachusetts Institute of Technology, 2010)
    This thesis presents a new modeling framework and research methodology for the study of recipe-based, diet-planning inventory management. The thesis begins with an exploration on the classic optimization problem - the diet ...
  • Optimization of ship-pack in a two-echelon distribution system 
    Wen, Naijun (Massachusetts Institute of Technology, 2010)
    The traditional Economic Order Quantity (EOQ) model ignores the physical limitations of distribution practices. Very often distribution centers (DC) have to deliver merchandise in manufacturer-specified packages, which can ...
  • Optimizing beer distribution game order policy using numerical simulations 
    Xiao, Qinwen (Massachusetts Institute of Technology, 2009)
    One of the major challenges in supply chain management is the level of information availability. It is very hard yet important to coordinate each stage in the supply chain when the information is not centralized and the ...
  • Parameter and state model reduction for Bayesian statistical inverse problems 
    Lieberman, Chad Eric (Massachusetts Institute of Technology, 2009)
    Decisions based on single-point estimates of uncertain parameters neglect regions of significant probability. We consider a paradigm based on decision-making under uncertainty including three steps: identification of ...
  • Particle filtering with Lagrangian data in a point vortex model 
    Mitra, Subhadeep (Massachusetts Institute of Technology, 2012)
    Particle filtering is a technique used for state estimation from noisy measurements. In fluid dynamics, a popular problem called Lagrangian data assimilation (LaDA) uses Lagrangian measurements in the form of tracer positions ...
  • Polynomial policies in supply chain networks 
    He, Liwei (Massachusetts Institute of Technology, 2010)
    This thesis aims to solve the periodic-reviewed inventory control problem in supply chain networks with uncertain demand so as to minimize the overall cost of the system over a fixed planning time horizon. In such problems, ...
  • Pre-bid network analysis for transportation procurement auction under stochastic demand 
    Wang, Qian (Massachusetts Institute of Technology, 2007)
    Transportation procurement is one of the most critical sourcing decisions to be made in many companies. This thesis addresses a real-life industrial problem of creating package bids for a company's transportation procurement ...
  • A preconditioned Newton-Krylov method for computing steady-state pulse solutions of mode-locked lasers 
    Birge, Jonathan R. (Jonathan Richards) (Massachusetts Institute of Technology, 2008)
    We solve the periodic boundary value problem for a mode-locked laser cavity using a specially preconditioned matrix-implicit Newton-Krylov solver. Solutions are obtained at least an order of magnitude faster than with ...
  • Price of anarchy in a Bertrand oligopoly market 
    Sun, Wei, S.M. Massachusetts Institute of Technology (Massachusetts Institute of Technology, 2006)
    The price of anarchy quantifies the inefficiency that occurs in the total system objective in the user optimization as compared to the system optimization setting. It is well known that this inefficiency occurs due to lack ...
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