Matlab

Learn using Data structures
Hello, I have relatively little experience in Matlab programming and I have a project where I have to create a database using data structures. Thus, I'd like to ask how can I get more experienced using data structures in matlab. Considering the limited examples and guide of matlab doc it seems very difficult for me... 20 Apr 2010 15:54

Help with fft and ifft
I have a signal (decreasing exponential, added with a sinusoidal sign and some noise ). I do Y = fft(d); Correct me if i am wrong please: The first value of Y is the sum of all components (dc component of signal?). The rest of Y is symmetrical (even function) centered on sampling frequency. Now i would li... 12 Apr 2010 02:40

Using NI USB-6218 with matlab r2009a for real-time purposes
Hi Jan, Thank you very much again for all your kind replies. I tested and yeah i did get a "delay" signal which is not the signal that i want when i wanted it. i did notice before this the MatLAB real-time doesnt have any NI USB-XXXX in the NI lists, thanks to you now i know why :) I was and still searching on ho... 12 Apr 2010 04:49

matrix in latex
hi there, I have a latex related question... How do I get a matrix nicer than the one with the commands below? \begin{center} $Q_3$=\begin{pmatrix}-3&3&0&0\\1&-3&2&0\\0&2&-3&1\\0&0&0&0\end{pmatrix} \end{center} This will give me the correct matrix but the "-"signs make it look ugly for bigger matrices.... ... 11 Apr 2010 12:20

binary-grayscale
can a binary image be converted into grayscale or RGB?what is the code? ... 11 Apr 2010 11:14

bisection method
help me implement bisection method function bisect(n) syms x; f = 4 * x + 2; n = int32(n); double a; double b; double m; double err; err = 1; b=5; a=-5; while(b-a > err ){ m = (a+b)/2 ; if( subf(f,a) * subf(f,m) > 0){ m=a; } else{ m=b; } ... 12 Apr 2010 23:40

creating symbolic variables
Hi, I have the student version of Matlab which does have Symbolic Math Toolbox and I still can't get the syms thing to work. I've tried copy/pasting from the website the code and I still get an error when I put this into matlab. what am I doing wrong? "Steven Lord" <slord(a)mathworks.com> wrote in message <fdi... 12 Apr 2010 23:40

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Active Apperaance Model
Hi all im new in matlab and i want to use aam if you get the code can you please help me by sending it to me or you can just explaine to me how to find the land mark points regards, Saja "zhenqiu " <shuzhenqiu(a)163.com> wrote in message <hgpqed$rlo$1(a)fred.mathworks.com>... "rajitha " <rajithae03(a)yahoo.com> w... 11 Apr 2010 06:53

mcc -W 'java: .. problem
Hi, I'm trying to compile a jar using the java builder (2009b) like this mcc -W 'java:MyPackage, Myclass' -T 'link:lib' -d 'S:\Example\src\' -v 'class{Myclass:S:\Example\hello_world2009.m}' This is working fine from the Matlab prompt, BUT .. when I try to compile via shell (cmd) command line it gives an error: ... 13 Apr 2010 15:04