Matlab

Adding noise types to image in matlab help please ??
i used imnoise command but for Uniform , Rayleigh, Exponential and Erlang Noise i couldnt find anything about them in matlab ... 26 May 2010 18:03

Adding noise types to image need help please
Hello , I have problem adding noise types to image in matlab Uniform, Rayleigh, Exponential , Erlang Noise imnoise command is not working with these names ... 26 May 2010 16:55

Creating Time Stamped Excel File
Hi, I am trying to create excel spreadsheets to store data. I know that matlab has the xlswrite function to do this. But I need to be able to create a new spreadsheet (with a time stamp in the new excel filename) each time the program runs. Any help on how to do this would be greatly appreciated. Thanks. ... 27 May 2010 14:49

Facial expression recognition
Hi, I'm writing a program to detect human emotions for facial expression. I am planning to use Matlab but i don't mind if it's in some other language. i looking for code that uses the Eigenfaces algorithm formula If anyone has the following code, please email me at bimal84(a)yahoo.com I apprecriate your help... 26 May 2010 16:55

qr built in function
Hello reader, I would really appreciate it if someone can direct to where I can find the actual code* used in the qr() matrix decomposition function. Thanks a lot! Sara *Not the qrsteps ... 26 May 2010 16:55

trouble giving arguments to mexCallMATLAB
Hi, I am trying to call one mex file from another using mexCallMATLAB. The mex-file to be called is of the form: T = function(arg1,arg2,arg3) This mex file "function" has been tested to work well when called from MATLAB directly Lets say that I try using the following mex file to call "function"..... It d... 26 May 2010 15:48

trouble giving arguments to mexCallMATLAB
Hi, I am trying to call one mex file from another using mexCallMATLAB. The mex-file to be called is of the form: T = function(arg1,arg2,arg3) This mex file "function" has been tested to work well when called from MATLAB directly Lets say that I try using the following mex file to call "function"..... It d... 26 May 2010 15:48

Invalid mex file
Hi, I have the same problem like Jie. I compiled the MP toolbox under Mac OS X 10.6 (64 Bit) but can not run the files. I get the same error message ... ??? Invalid MEX-file '/Users/BleiEnte/Documents/Uni/MATLAB/Matlab_Code/mptoolbox_1.1/@mp/private/mpfr_construct_dd.mexmaci64': dlopen(/Users/BleiEnte/Docum... 26 May 2010 15:48

XYZ Values to 2-D matrix
Rich, I have a similar issue but perhaps a different scale. I have some data samples taken at various lat/longs across about a 1 square km area(so 3 vector columns if you will). I need to put them in a 2D matrix and plot their intensities. Using MATLAB 6. How do I format the data, read it, then plot it? Thank... 26 May 2010 15:48

No method 'java.lang.System.getProperty'
Hi I am using Matlab 7.6 (R2008a) on XP SP2 with the standard Java 1.6.0. Sometimes I get a message "No method 'java.lang.System.getProperty'". The code that causes this error is User = [java.lang.System.getProperty('user.name').toUpperCase.toString.toCharArray]'; How can I force Matlab to use getProperty rel... 26 May 2010 15:48