Matlab

arrays
hi this is the problem I want to get something like this u1=[1,3,4,5] u2=[4,3,3,7] ....etc. Arrays with rand data inside, but I don't know how to create a large number of arrays without large code I write it like this for i=1:10 u(i) = randsrc(1,4,[pi/4, 3*pi/4, 5*pi/4, 7*pi/4]); end I know that... 20 Jun 2008 05:04

cut part of one image
I want to cut a part of one image and construct a new image just with the interest para of the image. How can i do that? Thank you for advance. I have already the coordinates ... 19 Jun 2008 10:36

Searchin in lists
In article <g3aqg5$g7l$1(a)fred.mathworks.com>, unpourtous(a)hotmail.com says... Hello everybody, Does any of you know some trick to search quickly if an element is in a list? List = ['sgfdjhgf','dgsjhqsgdjg','hhf','jhgjhg','gjjhgyu'] How do I easily know if 'AA' is in List? I want to avoid the... 19 Jun 2008 09:34

area calculation
I want to calculate area of a object in an binary image. For binary image , I (x,y)=1, for object pixels and I (x,y)=0, for backgrond pixels. then the estimation of area ia given by the equation, Area = summation of I(x,y) Please tell me how to implement this formula. Tha... 19 Jun 2008 14:44

how to read from 'set'
hi, i've got such a question: this line of a code gets me the value that is returnet by function 'update': set(handles.figure1,'windowbuttondownfcn','p=update') but now i want to put whis value (p) into some variable, so that i can use it later.but i do not know how. can anyone suggest me anything? kin... 20 Jun 2008 05:04

how I could extract information from text?
I have text file and I want to get the number column inside the text. the lines are not equally size. Regards ... 21 Jun 2008 11:44

Start/Stop Simulink simulation programmatically
Hello, I'm trying to control my Simulink model through GUI controls. The GUI consists of two pushbuttons allowing the simulation to start and stop, respectively. Reading through the documentation I figured out two possible solutions using 1) the sim command 2) the set_param command with SimulationCommands ... 19 Jun 2008 08:33

Calc of sun/moon angle above horizon script?
Hi, I need the angles of sun and moon at a certain tatitude and longitude at certain days and times. Right now I use a astronomy program and insert the corresponding values manually and then write down the angles in a spread sheet. This looks then like: ##?##' ##?##' ##.##.#### 1500 20?23 -21?01 1530... 19 Jun 2008 13:42

$PATH in Os X
I am trying to set the $PATH in MATLAB in order to call external functions in the shell, i.e., !convert. In the MATLAB command window, !echo $PATH returns /usr/bin:/bin:/usr/sbin:/sbin I would like to add other locations to this. My xterm is configured as a login-shell, and correctly reads from my .p... 20 Jun 2008 10:11

I need more information about the resample command
Can anyone direct me to a good reference on learning how Matlab processes data via either the "resample" command or the "interp" command in the Signal Processign Toolbox? I need to understand what the other parameters in resample do. Context: I am building a simulated WiMAX signal that can be played out of an... 19 Jun 2008 14:44