Numerical Methods for Engineers covers the most important numerical methods that an engineer should know. We derive basic algorithms in root finding, matrix algebra, integration and interpolation, ordinary and partial differential equations. We learn how to use MATLAB to solve numerical problems. Access to MATLAB online and the MATLAB grader is given to all students who enroll.

## Numerical Methods for Engineers

The Hong Kong University of Science and Technology## About this Course

Knowledge of calculus, matrix algebra, differential equations and a computer programming language

### What you will learn

MATLAB and Scientific Computing

Root Finding and Numerical Matrix Algebra

Quadrature and Interpolation

Numerical Solution of Ordinary and Partial Differential Equations

## Skills you will gain

- Numerical Analysis
- Engineering Mathematics
- MATLAB programming

Knowledge of calculus, matrix algebra, differential equations and a computer programming language

## Offered by

### The Hong Kong University of Science and Technology

HKUST - A dynamic, international research university, in relentless pursuit of excellence, leading the advance of science and technology, and educating the new generation of front-runners for Asia and the world.

## Syllabus - What you will learn from this course

**9 hours to complete**

## Scientific Computing

This week we learn how to program using MATLAB. We learn how real numbers are represented in double precision and how to do basic arithmetic with MATLAB. We learn how to use scripts and functions, how to represent vectors and matrices, how to draw line plots, how to use logical variables, conditional statements, for loops and while loops. Your programming project will be to write a MATLAB code to compute the bifurcation diagram for the logistic map.

**9 hours to complete**

**6 hours to complete**

## Root Finding

Root finding is a numerical technique to find the zeros of a function. We learn the bisection method, Newton's method and the secant method. We derive the order of convergence of these methods. A computation of a Newton fractal is demonstrated using MATLAB, and we discuss MATLAB functions that can find roots. Your programming project will be to write a MATLAB code using Newton's method to compute the Feigenbaum delta from the bifurcation diagram for the logistic map.

**6 hours to complete**

**5 hours to complete**

## Matrix Algebra

Matrix algebra done on the computer is often called numerical linear algebra. When performing Gaussian elimination, round-off errors can ruin the computation and must be handled using the method of partial pivoting, where row interchanges are performed before each elimination step. The LU decomposition algorithm then includes permutation matrices. We introduce operation counts, and teach the big-Oh notation for predicting the increase in computational time with larger problem size. We show how to count operations for Gaussian elimination and forward and backward substitution. The power method for computing the largest eigenvalue and associated eigenvector of a matrix is explained. Finally, we show how to use Gaussian elimination to solve a system of nonlinear differential equations using Newton's method. Your programming project will be to write a MATLAB code that applies Newton's method to the Lorenz equations.

**5 hours to complete**

**6 hours to complete**

## Quadrature and Interpolation

In the first part of this week, we learn how to compute definite integrals---also called quadrature. We begin by learning the basics of quadrature, which include the elementary formulas for the trapezoidal rule and Simpson's rule, and how these formulas can be used to develop composite integration rules. We then learn about Gaussian quadrature, and how to construct an adaptive quadrature routine in which the software itself determines the appropriate integration step size. We conclude this section by learning how to use the MATLAB function integral.m. In the second part of this week we learn about interpolation. Given a sample of function values, a good interpolation routine will be able to estimate the function values at intermediate sample points. Linear interpolation is widely used, particularly when plotting data consisting of many points. Here, we develop the more sophisticated method of cubic spline interpolation, to be used if the sample points are more sparse. Your programming project will be to write a MATLAB code to compute the zeros of a Bessel function. This requires combining both quadrature and root-finding routines.

**6 hours to complete**

## Reviews

### TOP REVIEWS FROM NUMERICAL METHODS FOR ENGINEERS

An excellent course on Numerical methods. The interactive nature of the course, using MATLAB programming and exercises, made it a lot of fun to learn the subject.

Very nice introduction to numerical methods. The MATLAB assignments were challenging but worth the effort.\n\nMany thanks to Prof Chasnov.

It's really a privilege for me to be a part of this course. I was able to learn a lot. Thanks Professor for this amazing course.

Very useful for anyone wanting to learn or revise numerical programming using matlab

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