Matlab

Tracking
Hello everybody. I am locking for a real-time tracking algorithm but there are several based on different subjects. Are there a survey paper that related the principals?, which one can lead optimal outcomes?. Thanks. ... 4 Feb 2010 13:25

ecg.dat file
Hi everyone, I am trying to read an ecg.dat file into MATLAB. I have copied the .dll and .mfile suggested in the website from where I got the database. The following error appears on my matlab window. Pls help. Thanx in advance. ec=rdsign212('ecg1.dat',2,1,1000) ??? Invalid MEX-file 'C:\Users\madhumitha\Documen... 4 Feb 2010 13:25

import text file in cell
I have a text file in which there are text and numerical fields. How can i import that file in cell format? ... 13 Feb 2010 09:17

Determining number of header lines
Suppose I had a text file (A.txt) I wanted to load into MATLAB. #OK #SQL= Select * # FROM A..B # #MAXROWS UNLIMITED #QUERYTIMEOUT 420 sec #DATE 2010-02-04 15:25:27.990 CET #QUERYTIME 3 millisec #COLUMN 1 name=haloId JDBC_TYPE=-5 JDBC_TYPENAME=bigint #COLUMN 2 name=subhaloId JDBC_TYPE=-5 JDBC_TYPENAME=bigin... 4 Feb 2010 12:17

size differ
i took an audio signal and took 50 samples of it and find out its discrete wavelet transform. then inverse dwt . when i took the difference between the orignal signal & reconstructed (after taking dwt & idwt) its giving an error. as size does not match. the reconstructed signal coming out to be half of the siz... 4 Feb 2010 12:17

neat way to rotate elements in an array ?
Hello, I was wondering if there's a neat/efficient way to generate the matrix: [1 2 3 4 5 ; 0 1 2 3 4 ; 0 0 1 2 3 ; 0 0 0 1 2 ; 0 0 0 0 1 ] using only the vector: [1 2 3 4 5] The way I'm doing it right now uses CIRCSHIFT, but it seems like there must be a much more scalable and neat way to do t... 4 Feb 2010 16:50

How to capture the undefined input argument...
function result=mytryfunc(x, y, z) if isundefined(y) do something... end; if isundefined(z) do something... end; But there is no such command called "isundefined" in Matlab... So I want to write my own "isundefined" function to detect undefined arguments... How to do that? Thanks a lot! ... 4 Feb 2010 11:06

Legend for bar
very useful. thanks bh = bar(sharpe); xl=get(gca,'xticklabel'); ch=get(bh,'children'); if iscell(ch) ch=repmat([ch{:}],1,size(sharpe,1)); myle=repmat(str2,1,ceil(numel(sharpe)/numel(str2))); myle=myle(1:numel(pnl.sharpe)); else ch=repmat(ch,1,numel(sh... 4 Feb 2010 08:52

basic ques matlab is a language or it is a tool
if any one knows t plz clarify ... 4 Feb 2010 09:58

Addind text header to ascii file
Hello there, I am working with matrix data, that I can save as an ascii file for analysis out of Matlab using: dlmwrite('data_ascii', data_ori, '\t',0,0) where data_ori is the original data and data_ascii is the created ascii file data. Is there a way how I can automatically add on top of the file data that is ... 4 Feb 2010 09:58