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Title:Determinante kompleksnih matrik
Authors:ID Gomilšek, Maša (Author)
ID Grašič, Mateja (Mentor) More about this mentor... New window
Files:.pdf UNI_Gomilsek_Masa_2013.pdf (372,54 KB)
MD5: F6FD54079733F833AC54D47E6C3D2318
 
Language:Slovenian
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:Računanje z matrikami s kompleksnimi koeficienti lahko prevedemo na računanje s tem matrikam prirejenimi realnimi matrikami. Diplomsko delo obravnava računanje z realnimi in kompleksnimi matrikami in njihovimi determinantami. V prvem delu je definirana matrika velikosti n × n in so opisane osnovne računske operacije z matrikami. Nato je podana definicija determinante matrike v Leibnitzovi in Laplaceovi formulaciji ter iz njiju izhajajoča pravila za računanje determinant.Drugi del obravnava zapis kompleksnega števila v obliki realne matrike velikosti 2 × 2. Osnovne računske operacije s kompleksnimi števili so prikazane v matričnem zapisu. V tretjem delu je definirana realna matrika velikosti 2n × 2n, ki jo priredimo kompleksni matriki velikosti n × n. Dokazano je, da operacije seštevanja matrik, množenja matrike z realnim skalarjem, množenja matrik in računanja inverzne matrike dajejo enake rezultate v obeh zapisih. Na koncu je dokazano, da je kvadrat absolutne vrednosti determinante kompleksne matrike enak determinanti realne matrike, ki jo priredimo kompleksni matriki.
Keywords:matrika, determinanta, kompleksna števila
Place of publishing:Maribor
Publisher:[M. Gomilšek]
Year of publishing:2013
PID:20.500.12556/DKUM-43023 New window
UDC:512.643.22(043.2)
COBISS.SI-ID:20200968 New window
NUK URN:URN:SI:UM:DK:ZCBGXXYA
Publication date in DKUM:05.12.2013
Views:2441
Downloads:170
Metadata:XML DC-XML DC-RDF
Categories:FNM
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Secondary language

Language:English
Title:Determinant of complex matrices
Abstract:Calculations with complex matrices can be replaced by calculations with corresponding real matrices. This work describes calculation with real and complex matrices and determinants. In the first part, a matrix of the size n × n is defined and basic operations with matrices are described. Then the Leibnitz and the Laplace definition of the matrix determinant are given along with the computation rules. In the second part, representation of the complex number in terms of a 2 × 2 real matrix is given. Basic operations with complex numbers are presented in the matrix form. In the third part, a real 2n × 2n matrix corresponding to a complex n × n matrix is defined. It is proven that addition of matrices, multiplication of a matrix with a real number, multiplication of matrices and calculation of the matrix inverse give the same results in both forms. In the end it is proven that the square of the absolute value of the determinant of the complex matrix is equal to the determinant of the corresponding real matrix.
Keywords:matrix, determinant, complex numbers


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