MEGR 2240 – Computational Methods for Engineers – MATLAB Commands + Final Exam Review Notes

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MEGR 2240

Computational Methods
for Engineers –
MATLAB Review Notes
MATLAB Commands • Euler’s Method • Numerical
Differentiation • Root‐Finding
• Matrix Methods

( 2024–2025 Study Year )

, Table of Contents
MEGR 2240 Computational Methods for Engineers
(2024–2025 Study Year)
__________________________________________________________

[ 1 ] MATLAB Fundamentals

● Variable creation
● Vectors & linspace
● zeros(), size(), length()
● Displaying values (disp)

[ 2 ] Euler’s Method

● General update formula
● Time‐stepping loops
● Using for‐loops with differential equations
● Updating solution vectors

[ 3 ] MATLAB Plotting

● figure, hold on
● plot() formatting (colors, markers, line styles)
● xlabel, ylabel, title
● grid
● Overlaying data points
● Plotting multiple datasets

[ 4 ] MATLAB Coding Examples

● Photodegradation example
● Depth‐of‐water tank example
● Using sin(), log(), and custom equations
● Using comments (%) for documentation

[ 5 ] Matrix Methods

● Creating matrices
● Accessing rows & columns
● Matrix multiplication
● Using linspace inside matrices
● AX = b formulation