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Tinkul


Active since 2012

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Professional Interests: image processing

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Question


How to compare two signal
I have two signal. One is original signal and other is reconstruction of that signal. Reconstruction is done by some algorithms...

mer än 10 år ago | 2 answers | 0

2

answers

Question


Plotting run time of algorithm
suppose i have two algorithm. after running i have got run time of that two algorithm 5sec,7sec respectively. I have run for di...

mer än 10 år ago | 0 answers | 0

0

answers

Question


How to find error in function file
Suppose I have written a matlab coding which include two function file. Whenever i run the main programme it gives error. Bu...

mer än 10 år ago | 1 answer | 0

1

answer

Question


confusing about the operator
There is a code of operator: SHI=Wavelet('Daubechies', 6,4); FI=randn(40,100); A=@(x) FI*(SHI'*x) At=@(x) SH...

mer än 10 år ago | 0 answers | 0

0

answers

Question


how to select the sample
Suppose i have a matrix: z=[1;2;3;4;5;6;1;9;10;32;21] from the above matrix how can i select first 7 sample? Please help...

mer än 10 år ago | 2 answers | 0

2

answers

Question


Computing DWT using matrix multiplication
How to compute DWT using matrix multiplication....Please help....

mer än 10 år ago | 1 answer | 0

1

answer

Question


Finding signal to noise ratio
I have a signal x=[34;56;12;87;35] I have added some noise with the signal x. After denoising i have got the output x0=[ 3...

mer än 10 år ago | 1 answer | 0

1

answer

Question


Finding high and low frequency noise....
Is power line interference high frequency noise in ecg and base line wandering low frequency noise in ecg? Is both the noise pre...

mer än 10 år ago | 1 answer | 0

1

answer

Question


Generating baseline wandering noise
How to generate baseline wandering noise in matlab code?

mer än 10 år ago | 1 answer | 0

1

answer

Question


How can extract only real values of a matrix
After some oprations i have got a matrix which contains imaginary value also. But i need only the matrix containing real val...

mer än 10 år ago | 1 answer | 1

1

answer

Question


Selection of 3 large value from a matrix
How can i select 3 largest value from a matrix and remaining make zero without changing the dimension,For eg A=[1 3 5 8 31 7 4 ...

mer än 10 år ago | 1 answer | 0

1

answer

Question


How to produce data randomly from a given matrix without changing the dimension
I have some data for eg A=[1;3;5;7;2] Now i have to produced all these data randomly. Is there any matlab command to pro...

mer än 10 år ago | 3 answers | 0

3

answers

Answered
how do i use Compressive sensing to recover my signal?
You can use l1-magic...

mer än 10 år ago | 0

Question


Making sparse signal representation
How to make a sparse signal representation in matlab code.

mer än 10 år ago | 1 answer | 0

1

answer

Question


Run time of a code
How can i find out run time of a code written in matlab.

mer än 10 år ago | 1 answer | 0

1

answer

Question


Random data selection from a matrix
How can i select 5 datasample from the matrix Z=[43;-57;98;23;-13;243;-98;112;325;560]

mer än 10 år ago | 1 answer | 0

1

answer

Question


Solving an equation through optimization..........
Y=Ax y is a mX1 matrix A is a mXn matrix x is a nX1 matrix AA'=I Here we apply optimization technique to sol...

mer än 11 år ago | 1 answer | 0

1

answer

Question


Matlab coding for downsampling..............
How to downsample a sinusodial signal in matlab coding...............

mer än 11 år ago | 1 answer | 0

1

answer

Question


Finding jacobian of a matrix
How to find jacobian of a matrix. I am trying to find out the jacobian of the following but still unable.. [J W] = jacobian(x...

nästan 12 år ago | 1 answer | 0

1

answer

Question


How Gradient is calcuted
In matlab i have found following answers. let X = 1 2 3 3 4 5 3 2 1 z=gradient(...

nästan 12 år ago | 2 answers | 0

2

answers

Question


Change dimension of a matrix
How to change a matrix dimension 1X131072 to 256X256

ungefär 12 år ago | 4 answers | 0

4

answers

Question


Converting data to decimal
there are some data in one row: 123446739FBCDE how can i convert the above to decimal using matlab coding as below form...

ungefär 12 år ago | 1 answer | 0

1

answer

Question


Increasing Buffersize while importing data
I am importing data from txt file to matlab.But the programmme gives error:"Buffer overflow (bufsize = 4095) while reading strin...

ungefär 12 år ago | 1 answer | 0

1

answer

Question


import data into a txt file from matlab
I want to import data into txt file. I have written the prog. m=[1 2 3 4 5 6 6 6 7 8 9] fid = fopen('data.txt', 'w'); % data...

ungefär 12 år ago | 1 answer | 0

1

answer

Answered
Matlab coding to show the string in one line
Thanks....but i need the data in the form of string in the command window ie. within a single quotation(' ').For eg 'abcdef' lik...

ungefär 12 år ago | 0

Question


Matlab coding to show the string in one line
I have data in txt file as shown below. aaaaaaaaaaaaaaaaaaaaaafffffffff eeefffffaaaaaaaaaaaeeeeeeeeeee...

ungefär 12 år ago | 2 answers | 0

2

answers

Question


Import txt file into matlab using programically
I have data in txt file as shown below: ffffffffffffffffffffffffffff ffffffffffffffffffffffffffff ...

ungefär 12 år ago | 3 answers | 0

3

answers

Question


Import txt file into matlab by coding..............
I have data in txt file as shown below: ffffffffffffffffffffffffffff ffffffffffffffffffffffffffff 0...

ungefär 12 år ago | 1 answer | 0

1

answer

Question


how to write a matlab code to convert hexformat into decimal format of a colour image.The image resolution is 320X430.Please help me....
Thanks

ungefär 12 år ago | 1 answer | 0

1

answer