Course Plan

MTH 102: Mathematics II     

Pre-requisite: MTH 101                                                                                 
Credits: 3-1-0-0 [11]

                                                             

Instructor-In-Charge & Instructor for Linear Algebra : Santosha Kumar Pattanayak, FB 502, email: santosha@iitk.ac.in, Ph.: 6402, Webpage:   http://home.iitk.ac.in/~santosha/


Instructor for ODE : Debasis Sen, FB 501, email: debasis@iitk.ac.in, Ph.: 6401. Webpage:

There will be 40 Lectures all total : 20 Lectures for Linear Algebra and 20 for ODE. Each lecture will be of 50 minutes. There will be tutorial sessions every week and those will be taken by the assigned tutors. Office hours will be provided by the tutors. Students can clear their doubts during the office hours or sending an email to the respective tutor. Feed backs and suggestions are always welcome and can be communicated by sending an email to santosha@iitk.ac.in.


Linear Algebra: Matrices, System of linear equations, Gauss elimination method, Elementary matrices, Invertible matrices, Gauss-Jordon method for finding inverse of a matrix, Determinants, Basic properties of determinants. Cofactor expansion, Determinant method for finding inverse of a matrix, Cramer's Rule, Vector space, Subspace, Examples, Linear span, Linear independence and dependence, Basis, Dimension, Extension of a basis of a subspace, Intersection and sum of two subspace, Examples. Quotient Space


Quiz-1



Linear transformation, Kernel and Range of a linear map, Rank-Nullity Theorem. Rank of a matrix, Row and column spaces, Solvability of system of linear equations, some applications Inner product on R^n, Cauchy-Schwartz inequality, Orthogonal basis, Gram-Schmidt orthogonalization process. Orthogonal projection, Orthogonal complement, Projection theorem, Fundamental subspaces and their relations, Applications (Least square solutions and least square fittings). Eigen-values, Eigen-Vectors, Characterization of a diagonalizable matrix. Diagonalization: Example, An application. Diagonalization of a real symmetric matrix. Representation of real linear maps by matrices (optional).


Mid-Semester Examination


Ordinary differential equations: Introduction to DE, Order of DE, First Order ODE F(x,y,y')=0. Concept of solution (general solution, singular solution, implicit solution etc.), Geometrical interpretations (direction fields, isoclines), Separable form, Reduction to separable form, Exact equations, Integrating factors (of the form F(x) and F(y)). Linear equations, Bernoulli equation, orthogonal trajectories. Picard's existence and uniqueness theorem (without proof), Picard's iteration method. Numerical methods: Euler's method, improved Euler's method. Second order linear ODE: fundamental system and general solutions of homogeneous equations, Wronskian, reduction of order. Characteristic equations: real distinct roots, complex roots, repeated roots. Non-homogeneous equations: undetermined coefficients.



Quiz-2



 Non-homogeneous equations: variation of parameters. Extension to higher order differential equations, Euler-Cauchy equation. Power series solutions: ordinary points (Legendre equation). Power series solutions: regular singular points (Bessel equation), Frobenius method, indicial equations. Legendre polynomials and properties, Bessel functions and properties, Sturm comparison theorem, Sturm-Liouville boundary value problems, orthogonal functions. Laplace transform: Laplace and inverse Laplace transforms, first shifting theorem, existence, transforms of derivative and integral. Laplace transform: Differentiation and integration of transforms, unit step function, Second shifting theorem. Laplace transform: Convolution and applications, initial value problems.


End-Semester Examination


Reference materials:

         (i)   E. Kreyzig, Advanced Engineering Mathematics,

         (ii)  Lecture Notes by Prof. P. Shunmugraj,

         (iii) Lecture Notes by Prof. Abhijit Pal,

         (iv) Lecture Notes by Prof. Arbind Lal,

       (v) Lecture Notes by Prof. S.Ghorai,

         (vi)   G. Strang: Linear Algebra, Introduction to linear algebra, 41 Edition, Wellesley Cambridge Press,

       (vi)  G. F. Simmons: Ordinary Differential Equations, Differential equations with applications and historical notes,
                2nd  Edition.   
       (vii) 
K. Hoffman, and R. Kunze. Linear Algebra. Prentice-Hall Inc., 1961.