Math Forum / Math Software / MATLAB / July 2008

.. Suppose I want to add a method to the built-in dataset-
array class. I can add a file to
C:\Program Files\MATLAB\R2007a\toolbox\stats\@dataset
folder, but the problem is, if I operate a file repository

I have many .txt files
I am using variables in GUI in the following form.
data
data{i}.pp;

Hi
Guys can anyone help me please
I am using cell array as a buffer to store packets, each
colomn represents packets that is belong to the same source,

I am trying find the natural frequency of a vibration problem
The standard eigenvalue problem looks like
Kx=lMx
for which there is a simple eig(K,M) command that does the

I have an image processing loop that looks up all the images
in a folder and acquires some data. During the
postprocessing, I display the image, and the points where I
get the data using following commands:

.. How about Matlab 2008?
Here's an example. I have Server and Database classes, and
wish to preserve the most recent Server object in memory.
function[obj] = Server

I am making a GUI and I want the user to be able to save a
uint8 array as a jpeg.  I want to prompt the user for a
directory/filename as in UIsave, but save the array as a
jpg.  Imwrite does exactly what I want, but is there a way

I have created a Simulink model to test a Kalman filter
that I designed and to replicate real data input, I am
using an embedded Matlab file that calls a function within
this file called "myWait". I placed this function at the

Everyone that have this code, may you send me because i needed for my thesis.
tanx

I'm trying to do some autocorrelation calculations and I'm
using the Durbin-Watson statistic. I call dwtest and I get
an error messsage:
??? Undefined command/function 'pvaluedw'.

I am trying to run a cluster analysis on a similarity
matrix which I calculate using a different similarity
coefficient than is available in the pdist function
(Gower's similarity coefficient). I know the similarity

Dear Helper,
I am trying to implement the bisection method (BM) on a
specific function. As you know to do the BM we need to set
the function f(x)=0, find an initial guess of the interval

I have a MATLAB Distributed Computing Toolbox (DCT) question. It's about
the "distributed arrays" functionality of DCT. I'd appreciate any help.
Here is a code segment. It is part of a .m file and this .m file runs and
completes successfully, in other words there aren't problems ...

I am sorry for asking such a basic question. I have searched the internet and tried several different versions, but I still cannot get it to work.
Why when I run this code:
----------
fwrite(txtFile,'\n');

Hi
excuse my ignorance, I have a set of 80 jpegs which i have
written a script for that measures a parameter I'm
interested in. Where should I start learning about batch