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Question
Stack overflow in mex
Hi Friends, I have one confusion regarding a mex code. The code is giving me a segmentation fault. #include<math.h> #...
environ 8 ans il y a | 4 réponses | 0
4
réponsesQuestion
Matlab Coder : Size Mismatch Issue
Hi, I am using MATLAB coder to generate mex files for the matlab. Here is one error I am getting in line x2_est_sym = x...
environ 8 ans il y a | 2 réponses | 0
2
réponsesQuestion
MATLAB expression 'R_loc' is not of the correct complexness.
Hi, This is an issue I am getting using matlab coder. While declaring C the type I used was complex. But during run time some ...
environ 13 ans il y a | 1 réponse | 0
0
réponsehow to covariance of 16*16 matrix
cov(matrix). See this http://www.mathworks.in/help/matlab/ref/cov.html
environ 13 ans il y a | 0
Function classify in matlab
The classifiers accuracy can never be 100%. The classifiers gets trained on training set and then work on the data. Porbably you...
environ 13 ans il y a | 0
How to extract pixel values in 8-bit binary format from an image?
Once you extract the pixel from image quantize it to (0,256) fixed point representation. Let the pixel be p(i,j) the output shou...
environ 13 ans il y a | 0
How to plot four variables value in XY graph
use hold all after first plot.
plus de 13 ans il y a | 0
Question
MEXCallMatlab very slow. Suggest alternate
Hi, I am working on a MEX file. I am using MEXCallMatlab which is very slow to call matlab inbuilt function as well as user de...
plus de 13 ans il y a | 1 réponse | 0
1
réponsehow to choose homogeneous blocks from image in matlab
Segment the image and pick up any region.
plus de 13 ans il y a | 0
taking part of the picture
Here is an error you can't use imshow on an image. You have to first read it in a variable then use imshow on that. imshow(ROI) ...
plus de 13 ans il y a | 0
| A accepté
How can I reduce the time complexity of this matlab code.. Its taking lot of time to execute when an image is fed as input.
Vectorize your code. Example you don't need inner loops you can use sum to get the value of counts. In the outer two loops you a...
plus de 13 ans il y a | 1
| A accepté
How can I find a number in a matrix?
http://www.mathworks.in/help/matlab/ref/find.html. see it.
plus de 13 ans il y a | 0
| A accepté
find the position of a specific cell entry
[truefalse, index] = ismember('USA', B)
plus de 13 ans il y a | 0
| A accepté
Scaling the values to specific range
D1=int16(S*32768) maps your any integer S*32768 outside the range to 32768 or for S>1 the output will be 32768(2^15) otherwise i...
plus de 13 ans il y a | 0
| A accepté
Converting decimal value to binary
http://www.mathworks.in/help/matlab/ref/dec2bin.html. See this. It will do 2's complement for negative numbers
plus de 13 ans il y a | 0
| A accepté
Multiple Dice Rolls Help
Here is what I feel will work fine % function SumDice=RollDice(NumDice,NumRolls) distribution=zeros(NumDice*6,1); for rol...
plus de 13 ans il y a | 0
how to see x and y cordinate in the plot beyond its end point?
HI Satish, If you dont have any information about the values beyond 5 and 25 then you have to extrapolate. Well the typ...
plus de 13 ans il y a | 0
How can I display an image with all three color layers but with intensity for blue increased?
image(:,:,3) = round(image(:,:,3) + 255*BX/100
plus de 13 ans il y a | 0
switch function case{name}
Here is an example from mathworks % x = [12, 64, 24]; plottype = 'pie3'; switch plottype case 'bar' ...
plus de 13 ans il y a | 0
How to save cell data from workspace?
It is working for me after loading.
plus de 13 ans il y a | 0
Placing the ouputs of while loop in an array
What is the problem. Start putting them as soon as they are generated. if true index = 0 a(index)=output ...
plus de 13 ans il y a | 0
multiple number of inputs n
it do works. Just give the input in [2 3 4] brackets.
plus de 13 ans il y a | 1
How to detect peaks in laser strip
It is not possible due to noise. Although if you just want a line use hough transform to get different lines and then select the...
plus de 13 ans il y a | 0
fitting of two curves and 6 unknown parameters
Use iteration with each variable keeping others constant. Then change other variables.
plus de 13 ans il y a | 0
| A accepté
reading edf file to workspace
Hi why don't you just use http://www.mathworks.in/matlabcentral/fileexchange/31900-edfread
plus de 13 ans il y a | 0
| A accepté
How to plot the columns data against the firs column (simulation time) instead of plotting against the serial number?
Hi you can just use it plot(x(:,1),x ,'o')
plus de 13 ans il y a | 0
| A accepté
I have generated a large dataset. Now I need to draw random samples from it. How can I do this?
For dataset w p = randperm(length(w)); % Reshuffle their order randomly z = w(p(1:N)); % Choose the first N of th...
plus de 13 ans il y a | 0
| A accepté
Mixture of Gaussian for Foreground object detection
Use segmentation . Once get the background subtract it. Search for expectation maximization and compression based segmentation t...
plus de 13 ans il y a | 0
Finding the numbers of a vector with the same length?
Hi, You can save zero as it is and whenever 1 appears start a counter and count the number of 1s in succession. It is Run le...
plus de 13 ans il y a | 0
