Abirami
29 total contributions since 2014
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Accept 5 answers given by other contributors
Awarded to Abirami on 20 Jul 2017
Question
BER Vs SNR plot for binary data obtained
Hello I have binary data of transmitted and received signal [dimensions 130 x 1]. I need to plot BER/SNR curve for it. I have g...
más de 2 años ago | 0 answers | 0
0
answersQuestion
how to reduce the running time of the code?
Hello, The following code takes around 25 minutes to run...it is based on image processing...i need to reduce the computatio...
casi 3 años ago | 3 answers | 0
3
answersQuestion
How to get the sparameter trace output from N9917A
I'm using a N9917A Agilent's Network Analyzer. I have difficulty in getting the output from the analyzer. I have interfaced ...
más de 3 años ago | 0 answers | 0
0
answersQuestion
how to convert decimal values into 8bit binary sequence and represent in a 256*256 matrix
hello I have used the following code to represent decimal values in a matrix to 8bit binary sequences in place of each value....
casi 4 años ago | 2 answers | 0
2
answersQuestion
How to call a function
I have a function which is written according to the following table, Somehow the function is wrong,Please help me in correcting ...
más de 5 años ago | 1 answer | 0
1
answerQuestion
How to perform reverse permute to an already permuted matrix?
Hello, I have taken a color image as input and separated out the R G and B components. And then I converted the three pla...
más de 5 años ago | 0 answers | 0
0
answersQuestion
How to perform XOR on a char matrix?
Hello, I have a 1x5 char matrix. I need to perform a bitwise XOR operation on all the elements in the matrix.If T is the ...
casi 6 años ago | 0 answers | 1
0
answersQuestion
How to group elements of a logical array?
Hello, I have a logical array of size 64x256. I want the result to be a cell array of size 64x16 where each cell has 16 bit d...
casi 6 años ago | 2 answers | 0
2
answersQuestion
How to XOR two cells from the same cell array?
Hello, I have one array of size 1x1024. I want to XOR each cell of the array. The first cell remains the same.It is as ...
casi 6 años ago | 2 answers | 0
2
answersQuestion
How to use if statement in cells
Hello I have doubts in using if condition in matlab.I have to perform the following operation in a cell. Final={ S...
casi 6 años ago | 1 answer | 0
1
answerQuestion
how to perform bitwise logical xor for two matrices having 13 bit binary data each?
I have two cell arrays with each element having 13 bit binary strings. How to perform bitwise XOR for these two cell arrays. ...
casi 6 años ago | 3 answers | 0
3
answersQuestion
How to use the if condition in matlab?
Hello I have doubts in using if condition in matlab.I have to perform the following operation in a cell. Final={ S...
casi 6 años ago | 1 answer | 0
1
answerQuestion
How to perform multiplication in cells?
Hello, I have a cell array 'y2a' of size <1x128> with each cell containing another cell array of size <1x17>(for eg: y2a...
casi 6 años ago | 2 answers | 0
2
answersQuestion
How to multiply data from cells?
Hello, Consider I have a cell array of size (1x20). I want to multiply all the elements of the cell and display it as a s...
casi 6 años ago | 1 answer | 0
1
answerQuestion
How to access a group of bits from a string ?
Hello, I have a problem on how to access a specific range of bits from a given string Consider I have a 20 bit string...
casi 6 años ago | 1 answer | 0
1
answerQuestion
How to create a function in matlab
Hello I need to create a function for finding out the intial values of a logistic map. The logistic map is given by ...
alrededor de 6 años ago | 1 answer | 0
1
answerQuestion
How to calculate the correlation coefficient in an image?
In order to find the correlation between two adjacent pixels (horizontal, vertical and diagonal), I have randomly selected 3000 ...
alrededor de 6 años ago | 1 answer | 0
1
answerQuestion
How to remove gaussian noise?
Hello, I'm working on image encryption. I need to see how well my encryption is so i thght of adding noise and testing it....
alrededor de 6 años ago | 2 answers | 0
2
answersQuestion
how to scramble positions of a matrix?
Hello, I've been trying to scramble the positions of a matrix. I have generated two sequences which help us to scramble the...
más de 6 años ago | 2 answers | 0
2
answersQuestion
how to decrease the time consumption of the code
Hello I've already got a lot of help in developring the encryption technique from matlab answers. Now i have another problem...
más de 6 años ago | 1 answer | 0
1
answerQuestion
how to convert a cell containig 8bit niary sequence to integer value
Hello i need to convert an 8bit binary sequence into decimal. i used the bin2dec function but somehow the results are all 1....
más de 6 años ago | 1 answer | 0
1
answerQuestion
explanation for syntax of arrayfun
Hello can anyone explain the syntax of the following code pls... B= arrayfun(@(x) x, A, 'uni', 0); thanks i...
más de 6 años ago | 1 answer | 0
1
answerQuestion
how to perform bitwise XOR operation and scramble two matrices
Hello I need to perform XOR operation for four variables where each of them are represented as follows A=00...
más de 6 años ago | 4 answers | 0
4
answersQuestion
Scramble the positions of a cell array
I have two cell array as follows Z= (2,5) (2,3) (2,1) (2,2) (2,4) (4,5) (4,3) (4,1) (4,2) (4,4) (5,5) (5,3) (5,1...
más de 6 años ago | 2 answers | 0
2
answersQuestion
matrix operatios to convert two vectors into a matrix
Hello, is it possible to obtain a matrix as follows. X and Y are the input vectors required to change into a matrix.. ...
más de 6 años ago | 1 answer | 0
1
answerQuestion
chaotic sequence generation from chen's hyperchaotic system
Hello I need to generate two chaotic sequences based on chen's hyperchaotic system.It has to be generated from the following...
más de 6 años ago | 1 answer | 0
1
answerQuestion
convert binary to charaacter
hello, i have a binary sequnce 10110001. and i want to encode based on the following rule A=00 C=01 T=10 G=11 and t...
más de 6 años ago | 2 answers | 0
2
answersQuestion
HOW TO ENCODE AN 8BIT VALUE FROM A MATRIX
HELLO I have generated a 256x256 matrix with an 8bit binary sequence present in each element. I wish to encode the...
más de 6 años ago | 2 answers | 0
2
answersQuestion
how to convert decimal values into 8bit binary values in a 256*256 matrix.
i have taken a 256*256 image and found each of the pixel values. now i need to convert each of these pixel values into 8 bit bin...
más de 6 años ago | 1 answer | 0
1
answer
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