A basic overview, application and usage of MATLAB for engineers. It covered very basics essential that will help one to get started with MATLAB programming easily.
Provided by IDEAS2IGNITE
A basic overview, application and usage of MATLAB for engineers. It covered very basics essential that will help one to get started with MATLAB programming easily.
Provided by IDEAS2IGNITE
CETPA INFOTECH PVT LTD is one of the IT education and training service provider brands of India that is preferably working in 3 most important domains. It includes IT Training services, software and embedded product development and consulting services.
http://www.cetpainfotech.com
A Powerpoint Presentation designed to provide beginners to MATLAB an introduction to the MATLAB environment and introduce them to the fundamentals of MATLAB including matrix generation and manipulation, Arrays, MATLAB Graphics, Data Import and Export, etc
MATLAB is an excessive-performance language for technical computing. It integrates computation, visualization, and programming in the user-friendly atmosphere, wherein the problem as well as solutions are expressed in familiar mathematical notation.
CETPA INFOTECH PVT LTD is one of the IT education and training service provider brands of India that is preferably working in 3 most important domains. It includes IT Training services, software and embedded product development and consulting services.
http://www.cetpainfotech.com
CETPA INFOTECH PVT LTD is one of the IT education and training service provider brands of India that is preferably working in 3 most important domains. It includes IT Training services, software and embedded product development and consulting services.
http://www.cetpainfotech.com
MATLAB assignment help in computation, algorithm development, data analysis and signal processing by MATLAB experts. Also find MATLAB assignment solution for all MATLAB assignment problem.
CETPA INFOTECH PVT LTD is one of the IT education and training service provider brands of India that is preferably working in 3 most important domains. It includes IT Training services, software and embedded product development and consulting services.
CETPA INFOTECH PVT LTD is one of the IT education and training service provider brands of India that is preferably working in 3 most important domains. It includes IT Training services, software and embedded product development and consulting services.
http://www.cetpainfotech.com
A Powerpoint Presentation designed to provide beginners to MATLAB an introduction to the MATLAB environment and introduce them to the fundamentals of MATLAB including matrix generation and manipulation, Arrays, MATLAB Graphics, Data Import and Export, etc
MATLAB is an excessive-performance language for technical computing. It integrates computation, visualization, and programming in the user-friendly atmosphere, wherein the problem as well as solutions are expressed in familiar mathematical notation.
CETPA INFOTECH PVT LTD is one of the IT education and training service provider brands of India that is preferably working in 3 most important domains. It includes IT Training services, software and embedded product development and consulting services.
http://www.cetpainfotech.com
CETPA INFOTECH PVT LTD is one of the IT education and training service provider brands of India that is preferably working in 3 most important domains. It includes IT Training services, software and embedded product development and consulting services.
http://www.cetpainfotech.com
MATLAB assignment help in computation, algorithm development, data analysis and signal processing by MATLAB experts. Also find MATLAB assignment solution for all MATLAB assignment problem.
CETPA INFOTECH PVT LTD is one of the IT education and training service provider brands of India that is preferably working in 3 most important domains. It includes IT Training services, software and embedded product development and consulting services.
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2. MATLAB
This introduction will give
• a brief overview, it’s not a MATLAB
tutorial !
• Some basic ideas
• Main advantages and drawbacks
compared to other languages
3. MATLAB
What Is MATLAB?
MATLAB (MATrix LABoratory)
• high-performance language for technical computing
• computation, visualization, and programming in an easy-to-
use environment
Typical uses include:
• Math and computation
• Algorithm development
• Modelling, simulation, and prototyping
• Data analysis, exploration, and visualization
• Scientific and engineering graphics
• Application development, including Graphical User Interface
building
4. Why MATLAB
A good choice for vision program development
because:
• Easy to do very rapid prototyping
• Quick to learn, and good documentation
• A good library of image processing functions
• Excellent display capabilities
• Widely used for teaching and research in
universities and industry
• Another language to impress your boss with !
5. Why not MATLAB
Has some drawbacks:
• Slow for some kinds of processes
• Not geared to the web
• Not designed for large-scale system
development
6. MATLAB Components
MATLAB consists of:
• The MATLAB language
• a high-level matrix/array language with control flow statements, functions,
data structures, input/output, and object-oriented programming features.
• The MATLAB working environment
• the set of tools and facilities that you work with as the MATLAB user or
programmer, including tools for developing, managing, debugging, and
profiling
• Handle Graphics
• the MATLAB graphics system. It includes high-level commands for two-
dimensional and three-dimensional data visualization, image processing,
animation, and presentation graphics.
• …(cont’d)
7. MATLAB Components
…
• The MATLAB function library.
• a vast collection of computational algorithms ranging from elementary
functions like sum, sine, cosine, and complex arithmetic, to more
sophisticated functions like matrix inverse, matrix eigenvalues, Bessel
functions, and fast Fourier transforms as well as special image processing
related functions
• The MATLAB Application Program Interface (API)
• a library that allows you to write C and Fortran programs that interact with
MATLAB. It include facilities for calling routines from MATLAB (dynamic
linking), calling MATLAB as a computational engine, and for reading and
writing MAT-files.
8. MATLAB
Some facts for a first impression
• Everything in MATLAB is a matrix !
• MATLAB is an interpreted language, no
compilation needed (but possible)
• MATLAB does not need any variable
declarations, no dimension statements, has no
packaging, no storage allocation, no pointers
• Programs can be run step by step, with full
access to all variables, functions etc.
9. What does Matlab code look like?
A simple example:
a = 1
while length(a) < 10
a = [0 a] + [a 0]
end which prints out Pascal’s triangle:
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1
1 7 21 35 35 21 7 1
1 8 28 56 70 56 28 8 1
1 9 36 84 126 126 84 36 9 1
(with “a=” before each line).
10. What does Matlab code look like?
Another simple example:
t = 0:pi/100:2*pi;
y = sin(t);
plot(t,y)
11. What does Matlab code look like?
Another simple example:
t = 0:pi/100:2*pi;
y = sin(t);
plot(t,y)
Remember:
EVERYTHING IN MATLAB
IS A MATRIX !
creates 1 x 200 Matrix
Argument and result: 1 x 200 Matrix
13. Matrices
•Rows and columns are always numbered starting at 1
•Matlab matrices are of various types to hold different
kinds of data (usually floats or integers)
• A single number is really a 1 x 1 matrix in Matlab!
• Matlab variables are not given a type, and do not need
to be declared
• Any matrix can be assigned to any variable
17. Matrices
Some operators must be handled with care:
A = [1 2 ; 4 5]
B = A * A prints 9 12
24 33
B = A .* A prints 1 4
16 25
Element by element multiplication
18. Submatrices
A matrix can be indexed using another matrix, to
produce a subset of its elements:
a = [100 200 300 400 500 600 700] b = [3 5 6]
c = a(b):
300 500 600
19. Submatrices
To get a subsection of a matrix, we can produce the
index matrix with the colon operator:
a(2:5)
prints
ans = 200 300 400 500
•This works in 2-D as well, e.g. c(2:3, 1:2) produces a
2 x 2 submatrix.
•The rows and columns of the submatrix are
renumbered.
20. loops
‘for’ loops in MATLAB iterate over matrix elements:
b = 0
for i = [ 3 9 17]
b = b + i;
end
Result: 29
Note:
The MATLAB way to write that program would have been:
b = sum([ 3 9 17]);
Avoid loops if possible !
21. loops
The typical ‘for’ loop looks like:
for i = 1:6
…
end
Which is the same as:
for i = [1 2 3 4 5 6]
…
end
34. Conclusion
MATLAB is a mighty tool to
manipulate matrices
Images can be treated as
matrices
MATLAB is a mighty tool to
manipulate images
35. In my opinion…
MATLAB should be used to code
software prototypes
Research is mostly about
prototypes, not runtime-optimized
software
MATLAB should be used in
research
36. In my opinion…
•MATLAB prototypes must be re-
coded (e.g. in C++) if there’s need
for speed
•Algorithm development time is
drastically shorter in MATLAB