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Title:Unitarne matrike
Authors:ID Karo, Jure (Author)
ID Grašič, Mateja (Mentor) More about this mentor... New window
Files:.pdf MAG_Karo_Jure_2020.pdf (685,88 KB)
MD5: 3971F5EDF83BC00A3C4792488C8EE29A
PID: 20.500.12556/dkum/9b34952d-e77a-4a83-b588-254e9572ad59
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:V magistrskem delu obravnavamo unitarne matrike in predstavljamo njihove osnovne lastnosti. Unitarne matrike služijo kot orodje za utemeljevanje splošnejših rezultatov s področja linearne algebre. Primer tega je Schurova triangulacija, ki zagotavlja, da lahko vsako matriko zapišemo kot zgornjetrikotno matriko s kompleksnimi elementi. Magistrsko delo je razdeljeno v štiri večje sklope. V prvem podajamo osnovne pojme iz linearne algebre, ki so povezane z matrikami, vektorskimi prostori in z lastnimi vrednostmi ter lastnimi vektorji, ki jih povežemo s podobnostjo matrik. V drugem sklopu so predstavljene unitarne matrike, opisane in dokazane so nekatere osnovne lastnosti teh matrik. V nadaljevanju se posvetimo unitarni podobnosti matrik, ki je nadgradnja podobnosti matrik. V tretjem delu dokažemo Schurov izrek in navedemo nekaj rezultatov linearne algebre, ki so lahko dokazani s pomočjo Schurovega izreka. Zadnji del magistrskega dela je namenjen kratki obravnavi grup, ki jih tvorijo unitarne (in ortogonalne) matrike skupaj z operacijo matričnega množenja. Pri tem so dokazane nekatere temeljne algebrske lastnosti teh grup.
Keywords:unitarne matrike, lastne vrednosti matrike, unitarna podobnost matrik, Schurova triangulacija matrike, ortogonalna grupa, unitarna grupa
Place of publishing:Maribor
Publisher:[J. Karo]
Year of publishing:2020
PID:20.500.12556/DKUM-76351 New window
UDC:512.643.12(043.2)
COBISS.SI-ID:23942659 New window
NUK URN:URN:SI:UM:DK:PDMH9AJH
Publication date in DKUM:30.07.2020
Views:1133
Downloads:177
Metadata:XML DC-XML DC-RDF
Categories:FNM
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:12.05.2020

Secondary language

Language:English
Title:Unitary matrices
Abstract:This master's thesis discusses unitary matrices and presents their basic properties. Unitary matrices serve as a tool to justify more general results in the field of linear algebra. An example of this is the Schur triangulation, which ensures that each matrix can be written as an upper triangular matrix with complex elements. The master's thesis is divided into four major sections. In the first, we present basic concepts from linear algebra that are related to matrices, vector spaces, and to eigenvalues and eigenvectors, which are linked with matrix similarity. In the second section, unitary matrices are presented; some basic properties of these matrices are described and proved. In the following section, we focus on the unitary similarity of matrices, which can be considered an upgrade of matrix similarity. In the third part, we prove Schur's theorem and list some results of linear algebra that can be proved by Schur's theorem. The last part of the master's thesis is intended to briefly discuss the groups formed by unitary (and orthogonal) matrices together with the operation of matrix multiplication, whereby some fundamental algebraic properties of these groups are proved.
Keywords:unitary matrices, eigenvalues, eigenmatrices, unitary similarity of matrices, Schur triangulation, orthogonal group, unitary group


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