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Name of the course |
Algebra |
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Year of study, speciality |
1, Mechanics and Mathematical Modeling |
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Semester of study |
1 |
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4 |
Credits |
4 |
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5 |
Lecturer |
Ivanov K.A. |
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6 |
Course objectives |
To acquaint students with fundamental methods of general and linear algebra, with basic algebraic structures – groups, rings and fields; to create a base for studying basic concepts and methods of modern mathematics; to form mathematical thinking among students; to acquaint with methods of mathematical proofs; to study algorithms for solving specific mathematical problems. To instill in students the ability to independently study educational and scientific literature in the field of mathematics. As a result of studying the course, a student should be able to: – perform operations with complex numbers in algebraic and trigonometric form, to extract roots of complex numbers, use de Moivre formula; – calculate determinants; – perform operations on matrices; – solve systems of linear equations. |
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Prerequisites |
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Contents |
Arithmetic of integers, complex numbers The theorem on division with remainder for integers. Euclidean algorithm. Definition of complex numbers, conjugate complex numbers. Trigonometric form of a complex number, Muavr formula, geometry of operations on complex numbers. N-th degree roots of a complex number, n-th degree roots of unity, primitive roots and their properties. Matrices and operations on matrices Rectangular matrices, equality of matrices, matrix addition and multiplication of a matrix by scalar, transposition of a matrix. Matrix multiplication, associativity of matrix multiplication, the relationship between the operations of addition, multiplication and transpose of matrices. Permutations, substitutions. Determinants and their application The number of permutations of a finite set, the parity of the permutation, the number of even (odd) permutations of a finite set. The number of substitutions of a finite set, the parity of the substitutions, the decomposition of the substitutions into the product of independent cycles. Definition of the determinant and its properties. Laplace’s Theorem. Construction of the inverse matrix, Cramer rule. Polynomials in one variable The definition of a polynomial of one variable, equality of polynomials, the theorem of division with remainder, Roots of polynomials, multiple roots, rational roots of polynomials with integer coefficients. The main theorem of the algebra of complex numbers, the Vieta formulas, irreducible polynomials over Q, R, and C. Algebraic operation, concept of a group, a ring, a field. Definition of binary algebraic operation, neutral and symmetric elements. Definitions and examples of groups, rings, fields and their properties.
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RecommendedLiterature
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Teaching methods |
Verbal, visual, problem-based, practical, dialog-based and heuristic. |
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Language of teaching |
Russian |
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Conditions (requirements), current control |
– check of individual tasks, – tests. examinations marks are given taking into account: 40% – semester work, 60% – oral answer in an examination |
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Form of current assessment |
an examination, control test |