Matlab

fminunc optimization
Hi All, I would be grateful if someone can address the problem I've been struggling with. So far neither Python nor Matlab have been able to help and I am beginning to loose hope.... I am trying to maximize a log-likelihood for a bivariate Poisson distribution at a few hundred points in time and obtain some out-of-... 10 Apr 2010 17:53

Minimum gradient not reached ! please help
Hi Each time,I train my network ,the training stops becaue "Minimum Gradient reached" knowing that :inputs=4*4000 targets=14*4000, Is it be possible to answer these questions: 1-Does this have anything to do with the inputs or targets size? 2-Does it have a relation with the way of initial... 10 Apr 2010 17:53

Macro excel
Hi, I want to open a macro in Excel which is build in another excel-file. So the macro has a name like this: Excelmacros.xls!vw_check I tried to run this macro by matlab with: Excel.ExecuteExcel4Macro('!Excelmacros.xls!vw_check()'); But the problem is the ! in the middle of the macro name. Anyone an idea ... 12 Apr 2010 15:53

MS VC++ Runtime error when start MATLAB!!
goto C:\Program Files\Java copy folder named jreX or something like that install latest jre before this then open F:\MATLAB7\sys\java\jre\win32 or to a similar folder in c: where you installed matlab paste the copied folder in that folder rename a folder named jre1.4.2 which is already in the folder or simil... 10 Apr 2010 12:23

matlab code for sigma filter to remove speackle noise
I need to remove the speackle noise from a satellite image using sigma filter in matlab .I dont know how to design the code,please write me if anybody knos.thanks ... 10 Apr 2010 13:29

Problem converting matrix to avi
I am having a problem converting the output of one of my scripts into an avi video. The function of interest has an output which is a video, structured as a 4-D matrix (Y,X,RGB,f) - by which I mean each frame of the video is a YxX RGB image, and the final dimension is the frames (i.e. if the video was 320x200, e... 10 Apr 2010 11:17

plot3 how to make origin (0,0,0) ?
I'm using plot3(x, y, z) to draw something. But as shown in the picture below, my axes are messed up. http://i21.photobucket.com/albums/b272/yusof_hardy/3dplot.png How do I align the origin (0,0,0) ? I also want the 3 axes to follow left-hand rule. (If your index finger points the positive direction of the x ... 11 Apr 2010 03:41

need help on imread
hii!! i hav created a simple GUI comprising of a button called Load Image and axes1 where d image will be displayed... if the image file is in d same folder in which d GUI file is present it is displaying.. but if d image file is in some other folder it is not displayin... how to solve dis problem?? d image can... 11 Apr 2010 02:37

A question about graycomatrix(), thanks a lot
Dear all, I want to find the number of neighboring regions and shared border pixels of a region in an image with labeled regions. For example, an labeled image L with 45 regions (region labels from 1 - 45). I used the following commands: [glcm, SI] = graycomatrix(L, 'NumLevels', 45, 'GrayLimits', [],'offset',[0 1; ... 12 Apr 2010 17:01

jumping to output directly
Hi, I forgot to do that simple thing: I want to do processing when input is 1, but if the input = 0, I dont want to do any calculations and goes directly to the output with the value of 0. because I am working on real time and donot want to lose any time for unnecessary calculations. thanks ... 10 Apr 2010 10:11