# Raviteja

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Actif depuis 2011

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I am working on DSP. I use to design my algorithms through Matlab. I like and love to use Matlab. Easy to program , visualize, debug mostly it has good support though Matlab answers/file exchange"
Professional Interests: Signal Processing, Speech Signal Processing

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Question

Hello, I want to load ECG data which consist s0010_re.dat file name. I want to load into a variabl ECG_wave=load('s0010_r...

plus de 7 ans il y a | 1 réponse | 0

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Drawing a line
I want to draw a line like this <http://www.flickr.com/photos/75243597@N03/6780413880/> where c=0; The line have to pas...

plus de 12 ans il y a | 1 réponse | 0

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Drawing slope
Can we draw a line with the slope vector m =[-0.74586; -0.6661] if yes how ?

plus de 12 ans il y a | 1 réponse | 0

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vector element extraction
>> S=[8 4 1 6 7 2 1 5 0 5 1]; >> C=[1 0 5 8]; I want to remove all the elements in S which are in C. In otherwords, I w...

plus de 12 ans il y a | 1 réponse | 0

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Unrepeated random numbers
I have a vector S >> S=[1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10]; I want to randomly pic 5 elements which are unrepeate...

plus de 12 ans il y a | 1 réponse | 0

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Drawing a discrimination line

plus de 12 ans il y a | 1 réponse | 0

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Plot Eigen Vectors
>> covX=[3.1163 1.2956; 1.2956 0.5810]; >> [Evec Eval]=eig(covX); for this how to plot Eigen vectors ?

plus de 12 ans il y a | 2 réponses | 0

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making integers in a column
In a program I have following result for 'Check' variable >>Check=[testing_ind' ldaClass All_data(testing_ind,:)]; ...

plus de 12 ans il y a | 1 réponse | 0

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Saving with quotes.
I have written code as below HC_Label=[]; for i1=1:5 HC_Label=['HC'; HC_Label]; end Out is like this ...

plus de 12 ans il y a | 1 réponse | 0

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png to eps conversion
I want to convert an image .png to .eps converstion.. Can you please suggest me the code.. I=imread('rp_noise.png'); imwrit...

plus de 12 ans il y a | 3 réponses | 0

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saving workin space variable
I executed my file which consists 20 variables (stored in the workspace after execution). I want to save 1 variable called myva...

plus de 12 ans il y a | 1 réponse | 0

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Matlab workspace
How can I know, the total variables size stored in matlab? I mean, total memory taken by workspace?

plus de 12 ans il y a | 2 réponses | 0

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Shuffle matrix elements
Hey guys, I want to shuffle a 3x3 matrix (which consist elements within 1:9 unrepeated). So that I have written a very strange c...

plus de 12 ans il y a | 3 réponses | 1

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Réponse apportée
regarding mini project
I have done following 2 small projects (Image processing) using matlab.. 1. Cup to disk ratio of a fundus images using matlab...

plus de 12 ans il y a | 2

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Merge array to a number
I want to merge an array to a number. i.e., if >>x=1:5; do some operation on x and get the result like >>y=12345 ...

plus de 12 ans il y a | 3 réponses | 0

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create as built in functions
I have bunch of functions related to my applications and all are .m files. I don't want to copy each function in current working...

plus de 12 ans il y a | 2 réponses | 0

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A soumis

Binary to Decimal coversion
Convert Binary to Decimal Equivalent. It also convert fractional binary values.

plus de 12 ans il y a | 1 téléchargement |

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FIR1 basic question
Hello Please help in FIR1 filtering. I clearly mentioned in the code about what I want to do. clear all clc fm=100; ...

plus de 12 ans il y a | 1 réponse | 0

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Réponse apportée
Plot Problem
x=.1:.1:4*pi; y=(sin(pi*x))./(pi*x); plot(x,y) Is this working?

plus de 12 ans il y a | 0

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Plotting Eigen vectors
I have a real symetric matrix A >> A=[1 7 3;7 4 -5;3 -5 6]; I found its eigen vectors >> [Evec,Eval]=eig(A); I want to p...

plus de 12 ans il y a | 1 réponse | 0

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Multivariate Guassian Distribution
* I want to learn Multivariate Gussian distribution so I written the following code.* I am implementing following formula <...

plus de 12 ans il y a | 2 réponses | 1

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Réponse apportée
Good programming practice...
I got good help from matlab datasheets for matlab programming tips http://www.mathworks.in/help/pdf_doc/matlab/programming_...

presque 13 ans il y a | 0

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Good programming practice...
Hello all, Please explain good MATLAB programming practice methods. It will help to the guys who are new to programming like me...

presque 13 ans il y a | 16 réponses | 7

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Question

How to check efficiency of my code?
I heard, the command true is faster than logical(1) This I got after reading one answer in this answers forum. In general how t...

presque 13 ans il y a | 2 réponses | 0

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matrix manipulation
>> A A = 7 0 6 9 8 7 6 9 7 >> B B = 3 ...

presque 13 ans il y a | 1 réponse | 0

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In a folder I have 50 images of 5 subjects 10 each. (all are .jpg format) I named them as sub1 (1) sub1 (2) ... ....

presque 13 ans il y a | 2 réponses | 0

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biplot understanding
>> x=[1 2 3 4 5 6;1 2 3 4 5 6]' x = 1 1 2 2 3 3 4 4 5 5...

presque 13 ans il y a | 1 réponse | 0

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random number within a rwo vector
I have a row vector say >> A A =[ -29 -17 -11 -10 -8 -8 -7 -2 -1 3 3 3 8 13 14] I want to randomly gen...

presque 13 ans il y a | 1 réponse | 0

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PCA values
I have written following code to learn about PCA. clear all clc load hald hald=ingredients; [m n]=size(hald); ...

presque 13 ans il y a | 1 réponse | 0

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