With effect from Academic year 2015-2016

MT 251

              MATHEMATICS-IV

               (CSE, ECE, EEE, Mech. & Production)

Instruction                                                                               4   Periods per week

Duration of University Examination                                      3   Hours

University Examination                                                          75  Marks

Sessional                                                                                 25  Marks

Course Objectives:

1.To impart the knowledge of essential mathematics tool like functions of complex variables and their properties.

2.To introduce the concepts of Z-transforms, Fourier transforms and their properties.

3.To introduce a few numerical methods to solve certain types of problems.

UNIT–I

Functions of Complex variables : Limit and Continuity of function, Analytic functions, Cauchy-Reimann equations, Cartesian and Polar forms, Harmonic functions, Complex integration, Cauchy's theorem, Derivative of Analytic functions, Cauchy's integral formula and it's applications.

UNIT–II

Residue theory and Transformations: Taylor's and Laurent's Series Expansions, Zeroes and Singularities, Residues, Residue theorem, Evaluation of real Integrals using Residue theorem, Conformal Mapping, Bilinear transformation.

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UNIT–III

Z-Transforms :Introduction, Basic Theory of Z-transforms, Z-transform of some standard sequences, Existence of Z-transform, Linearity property, Translation theorem, Scaling property, Initial and Final value theorems, Differentiation of Z-transforms, Convolution theorem, Solution of difference equations using Z-transforms.

UNIT–IV

Fourier Transforms: Introduction, Fourier integrals, Fourier sine and cosine integrals, Complex form of Fourier integral, Fourier transform, Fourier sine and cosine transforms, Finite Fourier sine and cosine transforms, Properties of Fourier transforms, Convolution theorem for Fourier transforms.

UNIT–V

Numerical Methods: Solutions of Algebraic and Transcendental equations, Bisection method and Newton-Raphson’s  method, Interpolation, Newton’s Forward and Backward difference interpolation, Lagrange’s interpolation, Newton’s divided difference interpolation, Numerical differentiation, Solution of differential equations by Euler’s method and Runge-Kutta method of order four.

Suggested Reading:

1.R.K. Jain & S.R.K. Iyengar, Advanced Engineering Mathematics, Narosa Publications 4^th    Edition 2014

2.B.S. Grewal, Higher Engineering Mathematics, Khanna Publications, 43^rd  Edition, 2014.

3.Erwin Kreyszig,  Advanced Engineering Mathematics, 9^th Edition, 2012.

4.James Brown and Ruel Churchill, Complex variables and Applications, 9^th edition, 2013.

5.Vasishtha and Gupta, Integral Transforms, Krishnan Prakashan Publications, 2014.