Report on Matlab by Arbind
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REPORT
ON
MATLAB
AND
ITS
APPLICATIONS
SUBMITTEDBY:
ARBIND KUMAR
SG-7511
ELEC. & COMM.
SSGPANJABUNIVERSITYRC
HOSHIARPUR
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CONTENTS
ySOFTWARE REQUIREMENTSyVERSIONS OF MATLAByAN INTRODUCTION TO MATLAByAPPLICATIONS OF MATLABy
IMAGE PROCESSING
yFILTERING PROCESSyBIBLIOGRAPHY
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VERSIONSOFMATLAB
yDecember 1996 First printing New for MATLAB 5.0(Release 8)
y May 1997 Second printing Revised for MATLAB 5.1(Release 9)
y March 1998 Third printing Revised for MATLAB5.2 (Release 10)
y January 1999 Fourth printing Revised for MATLAB5.3 (Release 11)
yNovember 1999 Fifth printing Revised for MATLAB5.3.1 (Release 11.1)
yNovember 2000 Sixth printing Revised forMATLAB 6.0 (Release 12)
y June 2001 Seventh printing Revised for MATLAB6.1 (Release 12.1)
y July 2002 Eighth printing Revised for MATLAB 6.5(Release 13) Renamed asInstallation Guide for
Windows
y June 2004 Ninth printing Revised for MATLAB 7.0(Release 14)
yOctober 2004 Tenth printing Revised for MATLAB7.0.1 (Release 14SP1)
y March 2005 Eleventh printing Revised for MATLAB7.0.4 (Release 14SP2)
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y September 2005 Twelfth printing Revised forMATLAB 7.1 (Release 14SP3)
y March 2006 Thirteenth printing Revised forMATLAB 7.2 (Release 2006a)
y September 2006 Fourteenth printing Revised forMATLAB 7.3 (Release 2006b)
y March 2007 Online only Revised for MATLAB 7.4(Release 2007a)
y September 2007 Online only Revised for MATLAB7.5 (Release 2007b)
y March 2008 Online only Revised for MATLAB 7.6(Release 2008a)
yOctober 2008 Online only Revised for MATLAB 7.7(Release 2008b)
y March 2009 Online only Revised for MATLAB 7.8(Release 2009a)
y September 2009 Online only Revised for MATLAB7.9 (Release 2009b
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INTRODUCTIONTOMATLAB
Its name is derived from MATrixLABoratory.
Matlab is a program for doingnumerical computation.It was originally designed for solving
linear algebra type problems using
matrices.
A high-level technical computinglanguage and interactive environment
for algorithm development, data
visualization, data analysis, and
numeric computation.
Technical computing problems can besolved faster than with traditional
programming languages.
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MATLABENVIRONMENT
COMMAND WINDOW: It is the working area where commands to be executed are written.
COMMANDHISTORY: it is the window that shows the commands that are used.
WORKSPACE: it is the window that shows the variables used.
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PREDEFINEDVARIABLESINMATLA
B
VARIABLES DEFINITIO NS VALUESANS Holds the value of the
most recent calculation if
the calculation was not
stored in a variable.
PI (T) Ratio of thecircumference of a circle
to its diameter.
3.141592653589793e+000
EPS Smallest number suchthat when added to 1
creates a floating-point
number greater than 1 on
the computer.
2.220446049250313e-016
INF (g) Infinity-for example,I/0.
INF
NAN Not a Number.Obtained
from invalid operations
such as 0/0, g/g, and g 0.
NAN
I The square root of 1. I
J The square root of 1. J
REALMAX The largest usable
positive real number.
2.225073858507202e-308
REALMI N The smallest usable
positive real number.
1.797693134862316e+308
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APLLICATIONSOFMATLAB
Signal Processing Image processing, Communications,Neural networks, Fuzzy logic, Control design, test and
measurement,
Financial modeling andanalysis
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MATLAB
AS AN
APPLICATION
FOR
IMAGE
PROCESSING
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RELATIONSHIP BETWEEN MATLAB AND
IMAGE PROCESSING
The Image Processing Toolbox is a collection of
functions that extend the capability of the MATLAB
numeric computing environment.
The toolbox supports a wide range of image processing
operations, including :
Image enhancement
y Intensity of colours in imagey Deblurringy
Compressed images can be processed
y filtering and filter designy File formats:tiff,gif,bmp,png,hdf,pcx
y All the problems are solved by using matrices
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EXAMPLE OF
CONVERTING
AN
IMAGE
INTOA
GRAPH
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THE
REPRESENTATIONOF AN IMAGE
INTO
THREEDIFFERENT
COLOURS
(RED,BLUE &GREEN)
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CONVERTING
ANCOLOURED
IMAGE(3-D)
INTO
ABLACK
&
WHITE
IMAGE(2-D)
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BIBL
IOGRAPHY
yMATLABBY:CLEVE MOLER
yMATLAB CENTRALBY: LUIGI ROSA
yMATLABBY:DAN
IELA GER
OVSKA&MACROS J. ARAUZO
yWIKIPEDIA(INTERNET)