Matlab

closed loop in simulink
Hi everyone, I am trying to model a closed loop system within the Simulink with Embedded Matlab functions (contains ODE's and fsolve functions). I have a problem with closed loop i,e when I connect the output port of the system to the same system's input port. error: 'cannot be assigned algebraic variables' Ca... 13 May 2010 13:48

manipulate matrix
Good morning, I have the following matrix: a =[ 3 1 3 2 9 3 4 2 NaN 8 1 12 10 1 99 2]; What I would like to do is where there are NaNs identified in the first column, values in the same rows but in the other columns are replaced with NaN values so the final matrix looks like: a =[ 3 1 3 2 ... 13 May 2010 13:48

Using MatLab to communicate to a PS/2 port
Is it possible to communicate to a mouse PS/2 port using MatLab? As far as I can tell it can only be used to connect to a USB, parallel port, or certain types of hardware. Thank you. michael ... 17 May 2010 15:46

help in simulink buck converter
I have to simulate a buck dc to dc converter in my project. I think the circtui is correct, but the DC output I am getting is exactly equal to the DC input, except that there is some ripple. That too very less. The frequency I have given is 100 khz. Duty ratio of pulse generator is 1/3. What am I missing. Why is the ou... 13 May 2010 13:48

Help with fft and ifft
Hi , Actually, I am doing a wideband processing of using MIMO , from a frequency range of 3GHz to 10 GHz and capturing data (Amp (dB) and Phase) from a VNA. Currently, I am trying to use Matlab IFFT to compute the time delay of the system response. how can I use IFFTwith the signal levels, for IFFT Will Run Corr... 13 May 2010 12:41

Calling To Video Display blocks into customs GUI
Alec Rogers <alec.rogers(a)mathworks.com> wrote in message <hk98o2$glu$1(a)fred.mathworks.com>... Hi Muhammad, Using the EML block, you could use code similar to the following: function fcn(u) %#eml eml.extrinsic('image'); persistent h; if isempty(h) h = image(u); else ... 14 May 2010 08:24

Using a large predefined matrix with Matlab Compliler
I have a large predefined matrix that I need to use in some compiled Matlab code. I can save the file in a .mat file and load the matrix in during runtime, but I was wondering if there is a better way that I can embed the matrix with my code so I do not need to manage multiple files. ... 13 May 2010 22:40

timer and event queue
I am having some problems with using timer objects. I thought Matlab was "single threaded" and that timer callbacks would be placed in the event queue and only executed when a drawnow (or any of the other events that flushes the queue) occured. It does not seem to work this way. function timertest flag = false(3,... 13 May 2010 11:35

how to use glpk in matlab
kindly give direction that how to use the glpk programming in matlab. how to solve the problems ... 13 May 2010 11:35

Rapid Control Prototyping Applications using TI eZdsp 2812
Recently, I was modeling Active Power Filter using TI F2812 in Simulink. Unfortunately, I have no idea how to connect the power grid signals with my c281x ADC block, then output to the power grid through c281x PWM block. Can anybody help me with kindness? Thanks a lot! ... 14 May 2010 12:48