Matlab

how to localize the pixel's position.
The image size is m*n, there is a pixel with position (x, y) in this image. Now I resize this image to 2m*2n. what's the corresponding pixel to (x, y) of the m*n image? Thanks in advanced. ... 30 Apr 2010 06:11

Failure starting Matlab
hello every one, I have problem with starting my Matlab: "Failure loading desktop class". I use Matlab R2009a, on Dell Latitude E6400. I have tried all the fixes available on the net but nothing works. I did update my Java software yesterday. So I tried to roll it back but with no success. Any help would mean a lot t... 30 Apr 2010 07:17

Persistent/global variable problem
Hello everyone, I have a very strange bug in my program. Basically, I have a function that creates nodes, giving each of them a new number. The current node is the one with the highest counter at each time. The counter is a persistent variable withing the function (at first I had it global, in an attempt to fix th... 6 May 2010 06:21

bode/nyquist plot from a matrix with complex numbers
Hello, I know how to plot a bode/nyquist diagram from a transfert function but I don't know how I can do this from a matrix of complex numbers which are function of the frequency! Anyone an idea? Thanks Hermano ... 30 Apr 2010 06:11

Closing all figures except one
I am trying to make a simple function that closes all figures except one. To do that, I need to know all open figure handles. For example, if figure(1), figure(3) and figure(7) are open, I need to run close(1), close(3), and close(7). But how do I get the information of 1, 3, and 7? Is there a way to get all the... 30 Apr 2010 10:35

Simulation problem in Simulink
I 'm a new user of Simulink. I tried to connect two demo files as a subsystem, but I did not manage it. The next message is shown "The "FixedStepDiscrete" solver cannot be used to simulate block diagram 'power_wind_dfig_det_fc_3004' because it contains continuous states". When I choose to run simulation in a continuous... 30 Apr 2010 05:06

show pixels within some range
Hi I'd like to show a RGB image (tif) with some pixels that fall within some range. These pixels are preferred to be shown with a special color. How to do this? Thank you. Mike ... 30 Apr 2010 07:17

Finding missing frequencies in speech signal
Hi! I have a speech signal and my task is to find, if there are some frequencies, that are missing in the signal. I'm not sure, how to do this, maybe something with FFT? Thanks for any help. ... 14 May 2010 01:56

Return digits of a number as a list
"Matt Fig" <spamanon(a)yahoo.com> wrote in message <hrdrsm$n4s$1(a)fred.mathworks.com>... I was implying that (IMO), the OP was looking for something else. You're probably right ... James Tursa ... 30 Apr 2010 07:17

Audio Peak
Hello! Please let me know how to extract the peak amplitude from a plot of the tone of an audio file. ... 30 Apr 2010 06:11