Math Forum / Math Software / MATLAB / July 2008

I am a 2007b Matlab user. I have a set of categorical data
in form of 0 and 1.What type of Neural network can I use;
Should I make any transformation to my initial data since
they are clean;

I need to generate random numbers (between 0 and 100) with
a specified mean and a specified variance. Any ideas how to
get this?
Thanks

I wrote a function that needs 8 inputs.
In order to avoid confusion while calling the funtion I
would like to make a GUI that:
-pops out as soon as I call the function

I am beginner in MATLAB. I have many excel sheets where each
row represents pollutant concentration in a country while
columns represent years. The data aren't available for all
countries. I have 4 or 5 out of the 20 countries where the

I am plotting to sets of data into the same figure (2-
graphs) using the plotyy function. I have to find the
Correlation Coefficient between these two graphs. I have
used the following:

Hey all,
I have a group of uicontrols(~50) and sometimes also a few
java components, i'd like to store all their handles in one
array (to avoid having to always check if a second array of

Hi, I am trying to plot a real time graph based on input
from serial port.
The serial port outputs the data in the form of
000453000221000004 and so on which is the time lapse. I

I'm new to Matlab
I need to fit a surface to my observed data in order to
find a polynomial equation of the surface.
I have (x,y,z) data.

a= 80;
csvwrite(num2str(a), [2]);
the result = 80.dat
what can I do so that the file name can be 80_1?

This one has me going crazy... Can you guys think of a way
to vectorize this? The goal is to get B.
A = randint(N,T*(T+1)/2);
B = zeros(N,T);

I have rewritten this program to calculate En and Ep at
every single point.
After modifying the program,
even I have same problem

i have images of raisins of brown, yellow and green. I have
to sort that images in above colors. Each image having
single raisin. For that i have to write a Algorithm in
matlab. Please tell me how i can do this.

I am trying to use a DLL from a C program.  Most of the
functions have Boolean outputs, but Matlab does not seem to
be able to handle the data types.  In the mfile generated
from the 'mfilename' option of loadlibrary, it lists 'error'

Did I misunderstand the use of field and structure?
Can someone point out my mistakes please.
%% PLAY AUDIO
function select_audio_Callback(hObject, eventdata, handles)

Dear friends,
when wavelet toolbox menus(wavemenu) run it doesn't show
the commands which run in the command window at the same
time.if there is a way to see the commands could you tell