1. ME 123 Computer Applications I Lecture 25: MATLAB Overview 4/28/03

2. ME 123 Computer Applications I
Reminder
Exam 2 will be on tomorrow (2 parts)
1st part: closed book, closed notes, closed computer
2nd part: closed book, closed notes, open computer
Lecture 25
ME 123 Computer Applications I

3. ME 123 Computer Applications I
Road Map of Lecture 25
Corrections to final project description
Review on course materials
Address any question on Exam 2
Lecture 25
ME 123 Computer Applications I

4. ME 123 Computer Applications I
Review for Exam 2
Definition of scalar, vector, matrix; naming convention
2-D plotting (line, marker, labeling, legend, etc.)
Input/Output (command line, data file, etc.)
User defined function (input/output list), m-file
Solution to system of equations (unique solution)
if statement, relational operators
for loop
switch statement
while loop
Lecture 25
ME 123 Computer Applications I

5. Review for Exam 2 (cont’d)
Solution to over-constrained system of equations (least square solution), includes curve fitting applications
Advanced plotting
Character strings
Integration of if statements, if loops, while loops and function subprograms to solve complex problems
Examples:
Partial sum calculator
Prime number finder
Square root approximator
Statistics menu
Lecture 25
ME 123 Computer Applications I

6. Review for Exam 2 (cont’d)
Examples (cont’d):
Numerical integration:
Trapezoidal method
Rectangular method
Simpson’s rule
Root finding:
Bisection method
Secant method
Newton-Raphson method
Time marching:
Explicit Euler
4th order Runge-Kutta
Lecture 25
ME 123 Computer Applications I