Matlab

GUI: creation / delete buttons
Hi, I am Audric and I use Matlab 2010a. I face a problem when implementing my Matlab GUI. In some callbacks I delete buttons and replace them by others. The problem is that my structure h is updated in the function but not outside (h.fig is the figure, h.button1 the first button...). I do not use nested functions. ... 29 Jun 2010 09:37

Eye Tracking
This code for face detection, I got this image http://img94.imageshack.us/img94/5027/45920477.jpg I want to get the eyes' coordinate, could you help me If you have any Idea,please? close all; I = imread('c:\darwin\working\face.jpg'); % No faces at the beginning Faces=[]; numFaceFound=0; I=double(I); H=si... 29 Jun 2010 10:44

Logical Indexing
I have the 2010a matlab release. I am using the embedded matlab subset in SIMULINK. As I understand it, logical indexing is now supported in this new release. However I still get an error saying that logical indexing is not supported. I am not sure why this is the case. Any ideas? ... 29 Jun 2010 09:37

oop performance
I know I asked this question in another thread but I fell like I have to reiterate it one more time in the more general form to be absolutely sure that I exhausted all my possibilities and reached the absolute performance limit. So here is the question: Is there any way to improve the performance of the following... 29 Jun 2010 07:26

export uitable selected cells in matlab
i have an uitable with name 'htblData'. i need to select a few cells in it and write to workspace variable. please help. ... 29 Jun 2010 06:21

cellfun vs directly passing as an argument
I have a large(1 million elements) cell array of datetime strings called 'dt_strings' formatted in datetime format no. 31. I want to convert this cell array to an array of standard matlab serial datetime numbers for easier manupulation. Which of the following method is best? Or are they equal in functionality. I... 1 Jul 2010 13:20

Find loop within vector
Dear all, I would like to know if there's a function that could help me to determine if there is a loop given a sequence of numbers in a vector. And also return the values creating the loop. For instance: A = [7 6 2 1 3 4 8 1 2 4 8 1 ....] B = [1 2 1 2 1 2 ...] C = [1 2 3 4 5 6 7 8 ...] The function should r... 29 Jun 2010 08:31

Problem to choose weighting function in Robust Control/H infinity
hello sir i have a problem in designing of robust control/ h infinity . sir i have a unstable 3rd order transfer function G(S)=2.35655s / (s^3+0.0883167*s^2-27.9169*s-2.30942); and if i want that this system will be stable at 0.3 sec(setelling time).then how i will we choose the weighting function to design h i... 29 Jun 2010 06:21

Problem to choose weighting function in Robust Control/H infinity
hello sir i have a little bit problem in designing of robust control. sir i have a unstable 3rd order function G(S)=2.35655s / (s^3+0.0883167*s^2-27.9169*s-2.30942); and if i want that this system will be stable at 0.3 sec(setelling time).then how i will we chose the weighting function to design h infinity cont... 29 Jun 2010 06:21

How to use matlab functions as callback functions in dll's?
Hi All, one of the functions in a dll requests a callback function. I made a transcription of the c++ example in matlab. But using the @ to make a function_handle doesn't work. calllib('XISLDLL','Acquisition_SetCallbacksAndMessages', ... phAcqDesc.value, uint32(0), 0,... ... 29 Jun 2010 06:21