Linear Algebra 2400-L1PPAL
1. Systems of linear equations: particular solutions and the general solution, Gauss elimination method.
2. Linear ( or vector) spaces: examples, subspaces, linear combination of vectors, linear independence of a system of vectors, basis and dimension of a linear space, coordinates of a vector in a basis.
3. Linear transformations: examples, the matrix of a linear transformation in bases. Operations on linear transformations and operations on matrices. Matrix algebra.
4. Determinants: properties and computation methods.
5. Inverse and transpose matrix, their computation.
6. Matrix rank: its relation to elementary operations and to determinant.
7. Applications of matrix rank in solving of linear systems of equations. Kronecker – Capelli and Cramer theorems.
8. Eigenvalues and eigenvectors of a linear tranformation.
Characteristic polynomial of a matrix. Finding eigenvalues and eigenspaces of a transformation. Diagonal and diagonalizable matrices. Matrix trace and its properties.
9. Applications of matrix diagonalization.
10. Affine spaces and affine tranformations.
11. Standard scalar product: vector norm, orthogonal systems of vectors, orthogonal and orthonormal bases. Gram – Schmidt procedure. Orthogonal projections and symmetries.
12. Quadratic forms: examples, form matrix. Definite form and Sylvester cryterion. Application of eigenvalues to definite and semi-definite forms.
13. Introduction to linear programming. Symplex method.
Type of course
Learning outcomes
Understanding of linear algebra and ability of its application in statistics, econometry and decision modelling . Mastering of fundamental techniques of solving systems of linear equations. Ability of finding bases and dimensions of spaces, computing rank of a matrix and its determinant, checking positive and negative definitness and semidefinitness of a quadratic form. Ability of formulating and solving a simple linear programming problem. Ability of application of computational tools like Mathematica and Wolfram Alpha
Assessment criteria
The final result depends on 30% of points obtained in classes and on 70% of examination.
Bibliography
Wykłady z Algebry Liniowej I. Tadeusz Koźniewski, MIMUW 2008.
Algebra liniowa w zadaniach. Jerzy Rutkowski. PWN 2008.
Matematyka dla studentów ekonomii. Ryszard Antoniewicz, Andrzej Misztal. PWN 2009.
Algebra dla studentów. Julian Klukowski, Ireneusz Nabiałek. WNT 1999.
Elementy algebry liniowej. Grzegorz Banaszak, Wojciech Gajda. WNT 2002
Additional information
Additional information (registration calendar, class conductors, localization and schedules of classes), might be available in the USOSweb system: