Matlab

How to get power from RS-232 port?
I've designed a trancducer (RS485 to RS232) and it needs to power. I want to use RTS and DTR pins of RS232 port. How can I force and set to 1 these pins in the MATLAB code? Is not there any a function or method for serial port pins like that, serial.RTS = 1; or serial.RTS = 0; ... 14 May 2010 23:44

How to fit an ellipse
Hello Everybody, I have test data of Force Vs Displacement. When I plot Disp Vs Force, I can see that its very close to ellipse. How can I fit an ellipse to this data ? I mean the plot is very close to the equation: (Disp^2/a^2) +(force^2/b^2)=1; How do I estimate a and b .. Thanks Madhu ... 23 Apr 2010 20:57

system('dcm2nii') waits forever
Hi, Anybody have any idea why a system call would wait forever and do nothing? I get that with this specific command line program (dcm2nii, available for free and no installation required: http://www.cabiatl.com/mricro/mricron/install.html). It even happens when no arguments are given and it's supposed to do nothi... 23 Apr 2010 20:59

Manipulation of .fig files
I have undertaken a project which involves a lot of data. I have developed a code to extract and manipulate the data and output files like: Figure_1.fig, Figure_2.fig, ... , Figure_N.fig. There are hundreds of these .fig files and I would like to combine them all onto one plot. Is there a way you could do this via a... 23 Apr 2010 20:57

MC-CDMA
Hi everyone, I'm doing a project in MATLAB titled multi carrier CDMA.I have completed BER calculation.now i need to calculate the channel capacity of MC-CDMA.Can anybody provide the code in matlab or any link from where i can download ..Or else can anyone briefly explain me how to calculate the channel ... 23 Apr 2010 20:57

impoint: how to execute a function after the point has moved?
Using impoint it is possible to create a draggable point... for example (from matlab help): figure, imshow rice.png h = impoint(gca,100,200); my question is easy: how I can execute a function (or a SCRIPT) as soon as I move the point with my mouse? I'am trying to figured out but I have some troubles.. ... 23 Apr 2010 20:57

Importing Gmesh .msh file to Matlab
Hi all I am currently using version 2.4.2 of the windows installation of Gmsh to create structures and mesh them. I have a script I have written to import the .msh text file into matlab and once I get this, I use the delaunay function to visually represent the mesh in Matlab. The problem I have is that when I crea... 23 Apr 2010 20:57

position indexes 3D matrix
hi, I am trying to obtain the position of the values higher than a threshold (in terms of indexes (i,j,k))within a 3D matrix. In a matrix 2D I use the command "[row,cols]=find..." but I don´t know if this can be done in a 3D matrix. Any help is appreciated. Thanks in advance Rodrigo ... 23 Apr 2010 20:57

for loop with big array
Hello, I am trying to concatenate an array of 650240 elements (in binary), by consecutive pairs, in order to obtain the decimal number that represents each pair. The obtained number is stored in the Y array. Obviously the order i concatenate the elements is very important, that is why i haven´t used the reshape f... 23 Apr 2010 20:57

calculation error !!
i have a problem calculating this ! 1 - 2.3 + 1.72 - 0.42 it does'nt result to zero !! ..it's included in if condition and it must result into 0 :S so wht shall i do? thanks in advance ... 23 Apr 2010 20:57