Searched for: contributor%3A%22Dubbeldam%2C+Johan+%28graduation+committee%29%22
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Dhiman, Ashish Kumar (author)
Networks are all around us, telecommunication networks, road transportation networks, and the Internet are a few examples of networks that we encounter every day. The entities in a network are represented by nodes and the interconnections between them are represented by links. For example, in a telecommunication network, a node could be an end...
master thesis 2020
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van der Geugten, Gerald (author)
In this thesis a deterministic wave model is used to reconstruct and predict the sea surface motion from FMCW (Frequency Modulated Continuous Wave) radar data, produced by Radac. The deterministic model that is used to do this is based on the linear wave theory. The radar is looking horizontally straight towards the waves in 5 separate beam...
master thesis 2020
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Frank, Abel (author)
Eerst introduceren we het rekenkundig-meetkundig gemiddelde (RMG), een snel convergerend algoritme dat een verband heeft met π en nog veel meer constanten en functies. Hoffmann toont dit in een bewijs aan, echter is deze niet waterdicht en amper onderbouwd. Daarom gaan wij ons verdiepen in dit bewijs en met name een stap die twee ogenschijnlijk...
bachelor thesis 2019
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Rozendaal, Marco (author)
Tidal inlet systems are often highly valuable and sometimes even unique ecosystems. However, field measurements show that tidal inlet systems are sensitive to changing exogenous conditions, such as rising sea levels. This thesis aims to investigate to what extent the adjacent sea influences the stability and equilibrium state of the tidal inlet....
master thesis 2019
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Waling, Manon (author)
De CT-scanner heeft een belangrijke rol in de medische wereld. Helaas gebruikt de CT-scanner voor het opstellen van een scan schadelijke straling. In dit onderzoek is nagegaan of er een betere beeldreconstructietechniek te vinden is voor het opstellen van een CT-afbeelding met gebruik van minder straling.<br/>De standaard voor het opstellen van...
bachelor thesis 2019
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Coppoolse, Taco (author)
For a proper three-dimensional reconstruction of histology serial sections, adjustment of the slices is necessary for combining serial sections. Deformations occur due to the sectioning and acquisition pro-cess of the microscopic analysis of histology. By reconstructing the deformations with a transformation of the sections, a mathematical...
master thesis 2019
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Jonker, Hendrik (author)
Since the liberalization of the energy markets, the storage of energy is decoupled from the production and sales. In Western-Europe the storage of natural gas becomes more and more important because production fields get depleted and governments force companies to slow down their production because of tremors in the ground. Natural gas needs to...
master thesis 2019
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van de Wiel, Boet (author)
In this thesis we investigate an extension of the famous Nurse Rostering Problem. The Nurse Rostering Problem is the problem of finding an optimal assignment of nurses to shifts given some constraints. We extend the problem by considering that the nurses different sets of skills by which they can only perform certain tasks. We want the working...
bachelor thesis 2019
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den Hertog, Wilbert (author)
The numerical errors involving the application of the level-set method to a problem can be minimized by fitting a mesh (usually a triangular mesh in two dimensions) to the zero level-set curve defined by the level-set function. These numerical errors depend on two things: the size and skewness of the triangles in the mesh. To fit the mesh, Timo...
bachelor thesis 2019
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Bouwmeester, Marjolein (author)
In this thesis, we propose two mixed integer linear program formulations for an optimization problem that incorporates annualized hours: an exact one and an approximation. The objective of our model consists of three weighted parts: a part which minimizes the difference between working hours and contract hours for each employee per week, a part...
bachelor thesis 2019
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Broeders, Theo (author)
Steel is commonly coated to protect it from corrosion. One method of applying this is by using Physical Vapor Deposition, which can be done by using multiple jets. In this process jets next to each other interact. This paper's main aim is to investigate the interaction effect of two rarefied two-dimensional vapor jets in vacuum and how this is...
bachelor thesis 2019
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van der Krogt, Joey (author)
Erasure codes protect data from being lost as servers tend to fail because of various reasons. Currently Reed Solomon Codes are being used by multiple big companies, however, more promising codes have been described in recent articles. This report compares the (14,10)-RS code (which is among others being used by Facebook), the Piggybacked (14,10...
bachelor thesis 2019
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Pols, Daniel (author)
In solving two-phase flows, the location of the interface between the phases is necessary to handle interface jump conditions when solving the Navier-Stokes equation. Current interface capturing and advection methods, however, suffer from various issues. The level set method uses the signed distance to the interface and the interface being the...
master thesis 2019
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Kooijman, Iris (author)
Option valuation is one of the more applied areas of mathematics. Options are financial derivatives whose value depends on the value of an underlying asset. They are frequently used in hedging to minimize the risk when trading in the underlying stock and therefore require accurate pricing. Though quite some research has been conducted on...
bachelor thesis 2019
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Bruijns, Lianne (author)
The goal of this thesis is to provide a method to obtain a User Equilibrium (UE) in a synchromodal transportation network in which we transport containers for multiple customers. <br/>We use the Space Time Network (STN), in which the travel time of modalities is fixed and independent of the occupancy of the network.<br/>We define the User...
master thesis 2018
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van den Bosch, Dominique (author)
Comissioned by the minister of Finance of King Louis XIV, Christiaan Huygens designed a planetarium by using continued fractions to approximate the orbital periods of multiple planets. This planetarium was built by Johannes van Ceulen. An algorithm devised by Alexander Ostrowski can be used to prove that the approximation by convergents is, in a...
bachelor thesis 2018
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Versendaal, Bryan (author)
In deze scriptie kijken we naar enkele niet-meetbare verzamelingen. We kijken hierbij naar de niet-meetbaarheid en de constructie van enkele verzamelingen. Denk hierbij aan de Vitali-verzameling en een Bernsteinverzameling.
bachelor thesis 2018
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Pan, Michel (author)
Digitalization of sensitive information such as bankaccounts enforces privacy to be ensured. Mathematical objects called elliptic curves have ensured exchange of this type of information due to their algebraic structure. The security relies on so called ECDLP and solving these types of problems, but there has yet to be found an efficient...
bachelor thesis 2018
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van der Jagt, Thomas (author)
A variation on the random Kuramoto model was analyzed, a mean-field model which describes the behavior of coupled oscillators in a random environment. The analytic results are based on the behavior of the system in the infinite volume limit. In the analysis critical values were found for the parameters in the model which can be used to determine...
bachelor thesis 2017
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Thans, Emmy (author)
In this report, a model for modeling passenger flows on a platform with obstacles is presented. The report incorporates situations with one exit, benches as obstacles and an additional train and compares those to a basic model in which the platform has two exits and no obstacles. The present study considers the Particle Model as a basis for...
bachelor thesis 2017
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