Links for asymptotic analysis

Elementary Operations:
http://en.wikipedia.org/wiki/Computational_complexity_of_mathematical_operations

Learning Matlab: 01 Introduction

Introduction to MATLAB
What is MATLAB?
The MATLAB Environment
MATLAB Variables
Using the MATLAB Editor
Line Plots

Vector and Matrix Creation
Creating Uniformly Spaced Vectors (LINSPACE function)
Creating Uniformly Spaced Vectors (Colon Operator)
Creating Matrices
Array Creation Functions

Vector and Matrix Operations
Accessing Elements of a Vector
Accessing Elements of an Array
Conditional Data Selection
Array Size and Length
Matrix Multiplication
Solving Systems of Linear Equations
Vector Arithmetic

Program Control
For Loop
If Else Statements
While Loop

Image Processing
Loading and Saving Images
Converting Image Data Types  (Hint: The function im2uint8 is not out of the box)

Related Article: Learning Matlab: 02 Introduction