Matlab

Segmentation violation in CMEX-file ("Matlab has encountered an internal problem and needs to close")
As stated in some other message on the Newsreader, I implemented a subroutine that needs two nested for-loops in CMEX, doing the stuff inside the loop still in MATLAB using mexEvalString. I compiled the C-code using "mex -largeArrayDims -O mexFile.c". My operating system is Windows XP x64, MATLAB is used in version R20... 4 May 2010 10:04

problem with symbolic integration
hi, I had written a code that has a symbolic integration in it,and i want a result based on a symbolic variable 'n' so that i could use it in other parts of my code. the problem is that when i input more than the digit '4' , for' k',MATLAB sends me an answer that is useless for me or in another word i cant use that ... 4 May 2010 11:11

Speed up pdist
Hello, I'm quite new with Matlab. I'm having some problems with the speed of "pdist" function in matlab 2007. I'm trying to calculate between-class distances using this particular function but it takes a hell of a long time to do it. Here is the code I'm using: Inter=zeros(1,244978); D=1; for i=1:(size(PCA_Scores... 4 May 2010 10:04

Plotting of graph
"Warrick Tan" <turtlesteady(a)gmail.com> wrote in message <hota9g$n31$1(a)fred.mathworks.com>... I need to plot a graph (when H=0, H=0.5 and when H=1) V against t using MatLab Here is the equation (sorry if it is not clear, I can only type it in text): V(t)=1/(pi^H) &#8747;[(constant)/(t-&#964;)^(1-H)] d&#... 4 May 2010 03:32

SAVE GUI TO WORKSPACE
Hi Gaurav, You can probably try this work around: Save all the variables in you function to the current directory as a .mat file and then load the .mat file from the base using evalin. For example: function [ output_args ] = yourfunction( inputfilename ) % %Codes where your variables are generated ... 4 May 2010 03:32

mex and intel compiler
Hi, I'm trying to compile a mex file using the intel compiler, I have just done a fresh install of MATLAB 2010a and have the intel compiler version 11.1 installed and MS VS 2008 SP1. Here is the output: mex -O circular_hough.c Select a compiler: [1] Intel C++ 11.1 (with Microsoft Visual C++ 2008 SP1 link... 4 May 2010 03:32

ActiveX Winsock Control
I am relatively new to the Matlab world and I was wondering if anyone had some examples of using ActiveX Winsock Controls? I am trying to send and receive UDP packets to and from a device. Any help would be awesome, thanks! ... 4 May 2010 02:26

impixel
Hi Just an impixel question: a=rand([256 256 3]); a(1,1,:)=255.; figure; imshow(a) impixel % here I click pixels at (1,1), (1,2) , (2,2) and (2,1) ans = 1.000000000000000 1.000000000000000 1.000000000000000 0.935956007375390 0.762701082555705 0.297926592746646 0.687563... 4 May 2010 06:48

barcode reader
hey guys, im doing a project on barcode reader now. my system is able to decode barcodes now, but now im facing a problem of locating the barcode in the image. well anyone knows what method is good to locate a barcode instead of using imcrop? in addition, im trying to fix the barcode alignment problem. i ve been asked... 4 May 2010 03:32

Pls help with this image registration code
I am trying to code the following algorithm Algorithm Input: Two overlapping images I1 and I2 Output: Registration parameters (tx, ty, &#952;) where tx and ty are translation in x and y directions respectively and &#952; is the rotation parameter. Steps: 1. Down sample the 2 images by 2 levels. Let the sampl... 4 May 2010 08:58