Matlab

Ad Hoc Network Simulator based on MIMO Systems
Hi everybody, I'm searching an Ad Hoc Network Simulator based on MIMO Systems with Matlab. I need it to test some routing protocols. Please if you have any thing that permits to answer to my request, don't hesitate. I thank you very much. ... 24 Nov 2009 09:59

Ellipse Detection with matlab function
EoD <g.iacobucci(a)gmail.com> wrote in message <1181904572.845772.12230(a)u2g2000hsc.googlegroups.com>... Anyone knows how I can detect the ellipse from one image, using matlab functions Hough,Houghpeaks,HoughLines? Anyone have somekind of matlab algorithm that make Ellipse Detection? Thank you all! ... 24 Nov 2009 08:52

Weird thing when using classregtree.m
In the new version of classregtree function in 2009b-stat toolbox, I tried to use updated AdaBoost weights for training samples, but sometimes I got the following error: ??? Error using ==> classregtreeRCcritval Sum of weights is zero. Error in ==> classregtree.classregtree>treefit at 782 [critval,cutv... 24 Nov 2009 16:45

"plot", "imshow" and "quiver"
Hi all. So recently I made the discovery that when use "imshow" command, the YDir parameter under Axis Properties is set to "reverse" by default. To me this seems counter intuitive. Why wouldn't YDir be "normal" by default? When set at "normal" it turns out that my image is actually flipped upside down. On the contr... 29 Nov 2009 23:24

Induction generator initial conditions
"Ikechi " <merlinjumansion(a)yahoo.com> wrote in message <ge21st$b12$1(a)fred.mathworks.com>... How to calculate the initial conditions for an induction generator model i.e slip, electrical angle(degrees),stator current magnitude and phase angle (degrees) Simione <s_civoniceva(a)yahoo.com> Hi Ikechi i have the same p... 25 Nov 2009 04:52

How to estimate ARMA-GARCH by QMLE
I want to estimate parameters in a ARMA-GARCH model by quasi-likelihood. But functions of the GARCH toolbox, such as garchfit, are all based on maximum likelihood. How can I do the same thing under quasi-MLE? Do I have to programe it by myself? I just think someone else should have already solve it before. Many thx... 23 Nov 2009 21:58

vectorized Matlab versus C code
Hi, I have an image processing algorithm in Matlab that I converted to C, and the C code ended up being slower than Matlab (note that I have very little experience in writing optimized C code). My question is whether my C code being slower than Matlab code is highly surprising given the following circumstances? ... 23 Nov 2009 20:52

MATLAB startup errors
MATLAB R2009b on Mac OS 10.6.2. Get the following errors on startup: ~> matlab -nosplash & [1] 28524 ~> 2009-11-23 16:24:41.736 MATLAB[28524:3803] *** __NSAutoreleaseNoPool(): Object 0x104c94bd0 of class NSCalibratedRGBColor autoreleased with no pool in place - just leaking 2009-11-23 16:24:41.738 MATLAB[28524:3... 23 Nov 2009 17:30

can I use a external signal as the threshold of the switch?
Hi, there, Is there anyway that I can use a external signal other than a constant value as the threshold of the switch biock in simulink? Thanks. ... 23 Nov 2009 18:38

Error :"In an assignment A(I) = B, the number of elements in B and I must be the same."
On Nov 23, 12:26 pm, "Elvin D'Souza" <elvin.dso...(a)yahoo.ca> wrote: h=0.01; s(1)= -1 k=1 while (k~=201)     B(k)=[4 (5-5*s(k)); (2.5+5*s(k)) -1]     s(k+1)=s(k)+h end tats my code . I get an error at    B(k)=[4 (5-5*s(k)); (2.5+5*s(k)) -1]. It says "In an assignment  A(I) = B, the number o... 23 Nov 2009 16:22