Searched for: contributor:"van den Dries, Bart (graduation committee)"
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Brands, Marnix (author)
In dit onderzoek is een Monte Carlo algoritme beschreven voor het schatten van de dominante eigenwaarde en bijbehorende eigenvector van een niet-negatieve, irreducibele matrix. Naast de werking van het Monte Carlo algoritme is ook de convergentiesnelheid onderzocht. Tevens zijn een aantal simulaties in de praktijk uitgevoerd voor zowel het Monte...
bachelor thesis 2019
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Borst, Matthijs (author)
In [8] Kwapien proved that every mean zero function f ∈ L∞[0, 1] we can<br/> write as f = g ◦ T − g for some g ∈ L∞[0, 1] and some measure preserving<br/> transformation T of [0, 1]. However, as was discovered in [4] there is a gap<br/> in the proof for the case that f is not continuous. The aim of this bachelor<br/> thesis...
bachelor thesis 2019
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Huijsman, Robbert (author)
Interest in phylogenetic trees for histories of species and DNA has spawned many problems, one of which is TreeContainment; a problem that asks whether a tree is contained within a network. The TreeContainment problem is proven to be NP-hard for general trees and networks, however it is solvable in polynomial time for networks that meet the tree...
bachelor 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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Vos, Kelly (author)
Cancer is a disease that one of every three people will get in The Netherlands. One of the treatment methods for this disease is radiotherapy. Approximately half of all cancer patients will get radiotherapy at some point of their treatment. During radiotherapy cancer cells are destroyed with ionizing radiation, but healthy cells get destroyed...
bachelor thesis 2019
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Montagna, Giulia (author)
This thesis focusses on good ultrafilters. Firstly ultrafilters are introduced and the definition of a good ultrafilter is given. Next the proof that good ultrafilters exists is discussed. Lastly it is shown that good ultrafilters make ultraproducts saturated. 
bachelor thesis 2019
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Slingerland, Eva (author)
Nowadays, enormous amounts of data are produced on a daily basis. Whether it is a cute family<br/>picture, a funny cat video, or a scientic paper, all of the data is stored. The challenge in data<br/>storage nowadays is about nding a way to store a lot of data, in such a way that it will stay<br/>preserved for many years without too much...
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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Smeets, Lucy (author)
Mass-spring systems are commonly used in structural components. Understanding their characteristics and pitfalls is an important issue, combining physics and mathematics to prevent such systems from resonating and causing structures to weaken or collapse. This way, suitable solutions can be found such as the use of dampers with the right...
bachelor thesis 2019
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Rissalah, Abdellah (author)
In this thesis we research arithmetic progressions in random colourings of the integers. We ask ourselves how many arithmetic progressions are contained in zero density subsets of the integers? And what is the asymptotic distribution of the number of arithmetic progressions? Key motivation for this research are the famous results of Van der...
bachelor thesis 2019
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Wortelboer, Timo (author)
In applying the level-set method in the context of a finite-element method, errors can be minimized by adjusting the mesh to the shape of the level-set curve. The size of the different types of errors that occur depend on the goodness of fit to the zero levelset curve, the skewness of the triangles and the size of the triangles of the mesh. To...
bachelor thesis 2018
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Trussner, Tim (author)
Akiyama’s Nim is een 3d versie van een onpartijdig combinatorisch spel genaamd Wythoffs Nim. Het spel van Wythoff kan met twee stapels munten gespeeld worden. Elke positie in dit spel komt overeen met een getal dat als temperatuur te zien is waarbij posities met temperatuur 0 koud genoemd worden. Er is een makkelijke formule voor de koude...
bachelor thesis 2018
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Van, Huy (author)
In well-bore engineering, oil-well boreholes are made using specialized drilling rigs. The position of the drill bit needs to be indirectly determined through accelero- and magnetometer measurements. To this end, the measurement data is first converted into a survey of direction vectors by applying a series of coordinate transformations. Then, a...
bachelor thesis 2018
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Schaaphok, Marianne (author)
This research presents a data-driven model for the magnetic signature of an object, consisting of linearly reacting isotropicmaterial. From magnetostatics mathematical-physical model is derived for the linear behaviour of the induced magnetization. Data-driven updates for the permanent magnetization are computed from comparisons of the computed...
bachelor thesis 2018
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Wildschut, Guillermo (author)
Schur multipliers are a concept from functional analysis that have various uses in mathematics. In this thesis we provide an introduction of the aforementioned Schur multipliers and the associated Schatten p-classes. We prove a number of results and introduce some concepts of functional analysis in order to get to the central topic: a conjecture...
bachelor thesis 2018
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Ros, Robin (author)
There are several ways to write the number 5 as a sum of positive integers, disregarding order. A quick calculation shows that this can be done in 7 ways: 5 = 5, 5 = 4 + 1, 5 = 3 + 2, 5 = 3 + 1 + 1, 5 = 2 + 2 + 1, 5 = 2 + 1 + 1 + 1 and 5 = 1 + 1 + 1 + 1 + 1. In the same way, we can count the number of ways for each integer n. Although this...
bachelor thesis 2018
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van der Vlugt, Yanna (author)
Over the past three decades, the singular value decomposition has been increasingly used for various big data applications. As it allows for rank reduction of the input data matrix, it is not only able to compress the information contained, but can even reveal underlying patterns in the data through feature identification. This thesis explores...
bachelor thesis 2018
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van Houwelingen, Leon (author)
Chemotaxis is een verschijnsel uit de biologie dat zich op verschillende wijze<br/>voordoet in het menselijk lichaam en bij bacteriën. Er is onderzocht hoe het<br/>ééndimensionaal geval op te lossen is met de discontinue Galerkinmethode. Hierin<br/>is het model eerst behoorlijk versimpeld en steeds verder uitgebreid. Zo is gekeken<br/>naar de...
bachelor thesis 2018
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Stassen, Misha (author)
Melvin Dresher beschouwde in zijn boek uit 1961 over speltheorie een getallenraadspel over N getallen. Hij liet zien hoe de optimale strategieën van beide spelers kon worden gevonden met behulp van lineair programmeren. Later toonde Selmer Johnson oplossingen voor N&lt;=11 en merkte op dat de berekeningen steeds complexer werden bij toenemende N...
bachelor thesis 2018
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Bruyn, Tim (author)
This report is a discussion of the 1984 report 'An automatic proof procedure for several geometries' by Th. Bruyn and H.L. Claasen, inspired by a personal desire to understand the work of Th. Bruyn. See: http://resolver.tudelft.nl/uuid:b768c6ce-f625-4236-9b0b-32a47fab143e <br/>Bruyn and Claasen prove that certain true propositions of the theory...
bachelor thesis 2017
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