Matlab

Matrix that contains both numbers and strings?
Hi everyone, I know I once found a way to have both strings and numbers into a single matrix, for example A = ['a' 'b' 'c'; 1 2 3] ...but I can't recall the "trick" that I used to do it. Obviously, if you try to define A like above, Matlab gets confused: while it doesn't give an explicit error (at least in R20... 6 May 2010 08:32

License Manager Error -4.
Dear, Can sombody help me to understand why I am getting this error while i try to open Matlab or Simulink though I am using dongle for license? The error log is : License Manager Error -4. Maximum number of users for SIMULINK reached. Try again later. To see a list of current users use the lmstat utility. ?... 7 May 2010 11:08

reading mov video files
Dear all, For a project I have to read mov files (apple extention) on a windows computer using Matlab. Is there a way? Or do I have to use a macintosh computer in order to read the mov files with matlab? Please help me if you know a solution for this problem. Greetings, Dennis ... 6 May 2010 06:21

i need help in my final year project
hi everyone... my final year project is about Fingerprint Recognition System, i'm using MATLAB 7.6.. my project is about 90% completed... the problem is when matching the selected fingerprint with all fingerprints in my database.. matching between two fingerprints is not a problem... but how can i match the selecte... 6 May 2010 07:26

double conversion
hello my friends, i will be greatful if someone help me out with the following error thetaB=-pi; while thetaB<=pi f2=((d^2+t*c^2)*(d^2*c+t^2*c^3-2*t*c^2*cos(y)))/(d*cos(y)-t*c)^3; PAS_DB=(Lamd/(4*pi*d))^2*10^.05*(int(f2,t,d/c,t1)); plot(thetaB,double(PAS_DB)); ... 9 May 2010 23:03

FFT
Hi Everyone, I am kinda buffled by FFT. I am working on a robotic project. I have to obtain the frequency response of the mechanical vibration. I have the data from the accelerometer in terms of voltages which are continuous time signals. These signals are digital as I extracted the data by using the digital osci... 6 May 2010 05:16

trapz syntax - any help appreciated
Hello, I have imported a sound file which has given me a <127600x1 double> variable called 'data' (mono, 24bit, around 3 secs at 48KHz) Say I want to do a numerical integration between the first value and a value n - what is the syntax for this ? What about the integral for between say m and n ? The position ... 6 May 2010 19:50

multiple legend and marker in plot
Hi all I have n-set of plot. I would like to plot those into a single graph. Each plot should have a different marker from each other and the legend is written for each data set. I would like to do that in m-file. How can I do that? ... 6 May 2010 20:57

simulation
hello i'm trying to simulate signals with nlarx model using standard and custom regressors, and i use "compare", to shw the fit between original and estimated signal, using this code: y=iddata(x,[],0.05); m = nlarx(y, [8]); R = polyreg(m,'MaxPower',2,'CrossTerm','on'); m = addreg(m,R); m=nlarx(y,m) ; n=getreg... 6 May 2010 05:16

substruction of of one column from other column of matrix
Hi, I have to do substruction of of one column from other columns of a big matrix. For example I have 3 column c1,c2 and c3. I have to substract c2 and c3 from c1 and c3 from c2. I can substract one vector from a matrix. But how can I do it for a big matrix? Thank you. Sunipa Som ... 6 May 2010 04:11