1.       Course Description

This is an introductory course in linear algebra and vector analysis which provides a foundation for the further study of mathematics. The algebraic structures dealt in this course are system of linear equations, matrices, determinants, vector spaces and theory of polynomial equations. It also provides fundamental knowledge of linear transformations, inner product spaces, eigen values , eigen vectors, product of vectors and vector differentiation.

2.       General Objectives

The general objectives of this course are as follows:

·   To help students to understand the general concept of linear algebra ,

·   To develop in the students the positive attitude towards linear algebra,

·   To familiarize students the basic algebraic structures,

·   To help students to develop the computational skills in matrices and determinants,

·   To provide computational skills to the students in solving linear and polynomial equations,

·   To enable students to relate theorems and problems of linear algebra,

·   To provide knowledge on vector spaces , subspaces and their properties ,

·   To familiarize students with eigen values and eigen vectors,

·   To help students in finding the product of three and four vectors,

·   To provide the students skills of vector differentiation and build up the concept of gradient of scalar function and divergence and curl of vector function


3.       Contents


Contents

Unit I: Introduction to Linear Algebra (15)

      Brief historical information of linear algebra

                                          Concept of set, relations and functions

      Algebraic system and operations of sets and functions

                                          Linear equations, non-linear equations.

      Linear transformations, application of linear equations

      Cartesian product, relations, functions and their properties

      Equivalence  relation, quotient structures.


 

Contents

1.8    Composite functions, inverse function and their properties

Unit II: System of Linear Equations    (15)

       System of homogeneous and non- homogeneous linear equations

       Rank of a matrix and reduction to echelon form

       Consistency and in-consistency of system of linear equations

       Solution of homogeneous and non- homogeneous system of linear equations

       Gaussian elimination method for solving linear equations

Unit III: Matrices and Determinants      (20)

                      Matrices:

                                         Introduction of matrices

         Operations on matrices

         Algebraic properties of matrix operation

         Special types of matrices and partitioned matrices, echelon form of matrices

         Elementary matrices

                                     Inverse of matrices

3.1.6 Equivalent matrices

3.2 Determinants:

5.2.1 Properties of determinant co-factor expansion

5.1.2Use of determinants to solve Linear equations, Cramer’s rule and its profs and verifications.

Unit IV: Vectors in n-space (13)

Definition and examples of points in n- space, algebraic operations (addition and multiplication) of points in n-space and their properties

                             Norm, length, angle between two vectors and their properties

Scalar and vector projections and their geometrical interpretations.

Parallelogram     law,    Cauchy    Schwarz inequality

                         Triangle inequality, Pythagorean identity.

                         Orthogonality of vectors


    

Unit V: Vector Spaces                           (20)

                          Vector spaces and sub spaces

       Elementary properties of vector spaces and subspaces

       Linear combination, linear hull, dependence and independence of vectors and their properties

                             Direct sum of vector sub spaces

                             Basis and dimension of vectors

                             Co-ordinates and isomorphism

                          Scalar Product of vectors.

       Orthogonal and orthonormal vectors and their properties

       Orthogonal and orthonormal bases and their properties

       Gram Smith orthogonalization process of basis vectors

Unit VI: Linear Transformation            (15)

            Definitions and examples of linear transformation

                                         Algebra of linear transformations

                                             Inverse of linear transformation.

            Kernel      and     image      of      linear transformation

                                     Geometry of linear transformations

                                 Linear transformation and matrices

                             Vector space of linear transformation

                             Vector space of matrices

                             Singular   and     non-singular      linear transformation

Unit VIII: Products of Vectors               (13)

8.2 Scalar triple product

  Geometrical meaning and properties    of scalar triple product

                              Vector triple product

         Geometrical meaning of vector triple product

                              Scalar product of four vectors

         Vector product of four vectors and linear relation of four vectors

                             Reciprocal system of vectors and its properties

Unit IX: Vector Differentiation              (11)

              Continuity and successive derivative of vector functions

            Geometrical interpretation of derivative of vector function with scalar variable

                                          Gradient, divergence and curl

 

Unit X: Polynomial Equations of degree greater than two and its properties.                                                                   (13)

                                 Properties of polynomial equations

         Relation between roots and coefficients,

  Application to the solution of an equation, symmetric function of roots

        Transformation of equations, multiple roots, sum of the power of roots, reciprocal of  roots

 

 

Note: The figures within the parentheses indicate the approximate periods for respective units.

2.       Instructional Techniques

Because of the theoretical nature of the course, teacher-centered instructional techniques will lead the teaching learning process. The teacher will adopt the following techniques.

             General Instructional Techniques

The general instructional techniques are suggested as follows:

·       .Lecture with discussion

·       Use of software and math labs

·       Investigative approach in problem solving

 

            Specific Instructional Techniques

Unit-wise specific instructional techniques are given below .:

 

Units

Specific Instructional Techniques

I

Groupwork and individual assignment

II

Individual assignment and discussion

III

Individual and group work

IV

Group work and discussion

V

Assignment and discussion

VI

Assignment and presentation

VII

Group work and presentation

VIII

Individual assignment

IX

Project work

X

Individual assignment

 

3. Evaluation

Students will be evaluated on the basis of the written test. The Office of the Controller of the Examinations will conduct thefinal (annual ) examination at the end of the academic session to evaluate the students' performance. The types, number and marks of the subjective and objective questions will be as follows.

 

Types of questions

Total questions

to be asked

Number of questions

and marks allocated

Total marks

Group A: Multiple choice items

20 questions

20 × 1 mark

20

Group B: Short answer questions

8 with 3 'or' questions

8 × 7 marks

56