Matlab

Image Processing Help (Marking Points on It)
Hello, I am marking points on a skeleton and than exporting those marked points onto an Array. For this task, I am using getpts command so I can mark point via mouse. I have a question regarding this command. As I click points on the image, if I accidently click on a bad point than I want to be able to erase tha... 21 Jun 2010 10:12

Problem in GUI design
i faced the same problem, i think it happens, if you try to access the 'videoinput' variable from more than one .m file try to access the 'videoinput' with only one file at a time, if by mistake you happen to open two different .m files, than just simply restart MATLAB, and make sure, you use 'videoinput' from si... 21 Jun 2010 10:12

import files
I need to import a .txt file in which the first 4 lines are text that i don't need, from line 14 to the end there are data i need to manipulate, if I write load file.txt, it gives me an error because there are not only numeric data in the file, how can i do it? thank you ... 21 Jun 2010 10:12

integration of a vector of functions
Dear all, I want to integrate the product of a time depended matrix A(t) and a vector u(t): y=∫A(t)*u(t)dt. The matrix and the vector are both functions. Unfortunately, quadl does not work since the result of the product is a vector. Which function should I have use instead or is there a way to calculate both... 21 Jun 2010 15:47

vec(.) operator for multidimensional array
Could someone help me out with the code for Vec(.) operation for multidimensional array.(eg: 4-D) Normally eg: A=[1 2 3; 4 5 6] vec(A)=[1 2 3 4 5 6]' that we can find using A(:), and so for $-D how does it come using a 'for loop' Thanks and Regards ... 22 Jun 2010 16:02

Slider of an edit box
Hi all, for adding an edit text box within a figure I do the following: htext = uicontrol('Style','edit', 'Max', 2, 'Enable','inactive', 'HorizontalAlignment','left'); Now I would like to reach the sliders within that "object"(?). How do I do that? Why do I want to do that? The sliders seems not to su... 21 Jun 2010 13:33

text matching
I have a text file 'file1.txt' with text data as follows: headerdata headerdata date, time, #, val1, val2, val3, val4 12-28-2009, 13:12:12, 1, .2349, .2435, 54, .1 12-28-2009, 13:12:32, 1, .3432, .0235, 33, .4 12-28-2009, 13:12:34, 1, .5435, .0456, 67, .2 12-28-2009, 13:12:36, 4, .4545, .0001, 0 12-28-2009, 1... 21 Jun 2010 09:07

AM
Hi! I have been searching a AM demodulation file in matlab but i could not find nothing. I am doing a project and i can not use the function ademod. Somebody has a matlab file containing AM demodulation? thank you very much ... 21 Jun 2010 11:18

Simulink library probelm....
Hi, everyone I recently installed DSP builber V 9.1 and my Matlab vertion is Matlab R2009a. After installation I cant open Matlab by the ".Bat" file povided inside the DSP builder and 2ndly when I open matlab and then Simulink from matlab It does'nt show "Altera DSP builder Advanced Blockset" in the simulink librar... 21 Jun 2010 08:02

How do I "fwrite" with variable precision?
"J Luis" <jluis(a)ualg.pt> wrote in message <ef04635.-1(a)webx.raydaftYaTP>... Hi, I need to write a binary file with the following structure int32,int32,int32,int16,int16,int16,int16 .... .... but fwrite only allows to use one precision type. How can it be done? Thanks J. Luis You... 21 Jun 2010 08:02