The document discusses MATLAB, a numerical computing environment and programming language. It is developed by MathWorks and widely used in academic, research, and industrial settings. MATLAB allows users to perform numerical calculations and data analysis, as well as visualize results. Key features discussed include toolboxes for tasks like image processing, signal processing, and fuzzy logic. A variety of programming constructs, data import/export functions, and graphic capabilities are also summarized. Common applications areas mentioned are signal processing, control systems, image and video processing, and computational finance.

1. |MATLAB|
The Language of Technical
Computing…

2.  What is Matlab
 What are we interested in
What are applications in
What are Features in
What are industrial uses
 What are career in
Conclusion
MATLAB | Begins

3. It is a Numerical Computing environment and Fourth Generation Programming Language developed by
“Math Works” organization.
MATLAB is widely used in Academic and Research Institutions as well as Industrial Enterprises.
Matlab|Introduction
Assembly
High Level
Languages such as
C, Pascal etc.
Matlab

4. Matlab|Tool Boxes
 Image Processing Toolbox
 Data Acquisition Toolbox
 Parallel Computing Toolbox
 Communications
 Control System
 Signal Processing
 Fuzzy Logic Toolbox
 Neural Network Toolbox
 Wavelet Filter Design

5. Matlab|Arithmetic Operators
+ addition
- subtraction
* multiplication
/ division
^ power
‘ complex conjugate transpose
.* element-by-element mul
./ element-by-element div
.^ element-by-element power
.‘ transpose

6. Matlab|Problems & Solutions
 Mathematical Formulae in MATLAB
 Plotting the Graphs
 Generation of Signals
 Image Processing
 Data Acquisition
 Communication
 Aerospace
 Bioinformatics
 Embedded System
 Fuzzy Analysis

7. Matlab|Special Variables
 ans Default variable name for results
 Pi value of pi 3.14
 Eps Smallest incremental number
 Inf Infinity
 Nan Not a number e.g. 0/0
 i and j i=j=square root of -1
 realmin The smallest useable positive real number
 Realmax The largest useable positive real number

8.  Matlab is too broad for our purposes in this course.
Matlab Interfaces
Image & Video Processing
Graphics
Programming Scripts and Functions
Data Import and Export
GUI Building
Supported Hardware
What are we interested in

9. Matlab Interfaces
Excel / COM
File I/O
C/C++
Java
Perl

10. Matlab|Image Processing
 Matlab is optimised for operating on matrices
 Images are matrices!
 Many useful built-in functions in the Matlab Image Processing Toolbox
 Very easy to write your own image processing functions
 Even you can Add ,Subtract, Multiply, Divide of two images
 Also you can read , resize and crop of images

11. Image Representation
A digital image differs from a photo in that the
values are all discrete. Usually they take
integer values. A digital image can be
considered as a large two dimensional array
of discrete cells, each of which has a
brightness associated with it. These dots are
called pixels.

12. Programming Scripts and Functions

13. Programming Scripts and Functions|
Deploying with MATLAB
Excel
COM

14. Data Import and Export
 System Model for Data Import and Export.
Image Acquisition
Device
Eg. CCD Camera
Image
Processor
Eg. PC, DSP
Machine Control
Eg. Using
Serial/Parallel Port

15. Gui Building
A GUI can have many components and GUIDE provides a way of specifying
which call back should run in response to a particular event for a particular
component. The call back that runs when the user clicks a Yes button is not
the one that runs for the No button. Similarly, each menu item usually
performs a different function.
GUIDE uses each component's call back properties to associate specific call
backs with that component

16. Gui| Menu Editor

17. GUI|Blank File

18. Gui|Push Button Based Project

19. Applications of MATLAB:

20. Applications of MATLAB
 MATLAB is widely used as a computational tool in science and engineering
encompassing the fields of physics, chemistry, math and all engineering
streams. It is used in a range of applications including:
 Signal Processing and Communications
 Image and Video Processing
 Control Systems
 Test and Measurement
 Computational Finance
 Computational Biology

21. Applications of Matlab

22. What are industrial uses
 ADOBE (Photoshop)
 NASA
 GE
 L&T
 ROBERT BOSCH
 PEPSI , COCACOLA (Neuro Marketing)

23. MATLAB Features
 It is a high level language for numerical computations.
 It also provides an interactive environment for iterative exploration.
 It provides tools for building applications
custom graphical interfaces
 It provides functions for integrating MATLAB based algorithms
with external applications and languages such as C, Java, .NET and
Microsoft Excel.

24. MATLAB Features Architecture

25. Advantages of Matlab
 MATLAB is an interpreted language for
numerical computation.
 It allows one to perform numerical
calculations, and visualize the results
without the need for complicated and time
consuming programming.
 MATLAB allows its users to accurately
solve problems, produce graphics easily
and produce code efficiently.

26. Graphics functions include 2-D and 3-D plotting functions to visualize data and communicate
results. Customize plots either interactively or programmatically.
 2-D and 3-D Plot
 Formatting and Annotation
 Images
 Printing and Saving
 Graphics Objects
 Graphics Performance
What kind of graphics is possible in Matlab

27. What kind of graphics is possible in Matlab
-3 -2 -1 0 1 2 3
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1

28. Line plot
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1

29. Stem plot:
0 0.5 1 1.5 2 2.5 3 3.5 4
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35

30. Mesh plot
0
5
10
15
20
25
0
10
20
30
-10
-5
0
5
10

31. Surface plot:
0
5
10
15
20
25
0
10
20
30
-10
-5
0
5
10

32. Contour plot
5 10 15 20 25
5
10
15
20
25

33. Project Covered…
 GUI Based Project.
 Webcam Based Project.
 Serial and Parallel Communication Based Project .
 Audio Based Project.
 Image Manipulation & Processing, acquisition.
 Advance Image Processing & Dialogue Box .
 Creating and Practical work on m file.
 Basic Introduction of Matlab Simulink.