Matlab

mex
Hey, i have a little problem. After compilation of a c File with mex, the execution does not work and i don't know why. MATLAB OUTPUT -------------------------------------------------------- EDU>> mex helloworld.c helloworld.c:12:2: warning: no newline at end of file EDU>> helloworld Mex file entry point i... 11 Jul 2010 04:00

Crop an Image without changing it to Binary
I need to crop an object without changing the image into binary. I cannot crop the object manually by putting positions/co-ordinates. In my case, the object is a hand. Background is black and the hand is white. I need to crop out the hand without converting the image to binary. The RGB image is here: http://www.... 15 Jul 2010 15:23

Types of video file formats in Mat lab
Hi every body, what types of video file format that can be used in mat lab ( as i know .avi what others if exist ) ? and for the other not used how can we convert them to be accepted by mat lab ? thank you Talal ... 11 Jul 2010 06:07

Principal component analysis
Hi All, I want to reduce my data set using princomp function in MATLAB. I have 16x150 data set. (16 no of observations and 150 dimensions of the observations) After using princomp function I can get 150x150 values(if raw data matrix is a, I used b=princomp(a) to get PCA). Then I do not know how to get final value by t... 12 Jul 2010 20:43

Matlab version for Windows Vista and Windows 7
Which version of the Matlab is installable in Vista environment? Win7 environment? Thanks for the info in advance. Lee CC ... 12 Jul 2010 14:02

basic problem with simulink
Consider a very simple model. Given a Sine Wave block and a Embedded MATLAB Function block, I want do something like smoothing the input signal. Therefore, I need process the output of the sine wave block in the different times, for instance, x(n-1),x(n),x(n+1), in the function block. However, I can only access the c... 12 Jul 2010 09:35

looking at all possible combinations
"Matt Fig" <spamanon(a)yahoo.com> wrote in message <hsrrsd$o20$1(a)fred.mathworks.com>... I see. If Jos is correct, then you can also do this with a slight modification of the solution I gave earlier. [m,n] = size(A); Rr = npermutek(1:n,m); % The "Row-Rank" matrix. G = A((Rr-1)*m+repmat(1:m,n^m,1)); ... 10 Jul 2010 05:10

Image compression
Hi, What would be the value of Mean Square Error(MSE) for lossless image compression algorithm. some people say it must be zero. is it true? please help to get answer. ... 9 Jul 2010 23:49

Too many output arguments
Hi, I'm a newbie in Matlab and desperetly need a help! I have .m file with a function cluster(arg1, arg2, arg3) When I run it in Matlab it runs just fine. Then I run .sh file from the terminal with the following lines: #!/bin/bash .... export CODEBASE=/home/user/Project ..... echo "path(path, '$CODEBASE') $COD... 10 Jul 2010 17:06

Automatic Character deletion within string after detecting a special character
Suppose I have a string "Take me home, cas<<ountry rosd<<ad." I want to write a script to detect each < as a cue for backspace, making the string read as follows: "Take me home, country road." deleting the < as well as the preceding character. How can this be done? ... 10 Jul 2010 22:36