Matlab

How to save a Affymetrix cel file in matlab?
I have some Affymetrix cel files at hand. I can read them into structure data using "affyread". Could anyone tell me how to output the sturcture data into the same .cel format please? Thank you very much. ... 12 Jul 2010 10:41

Truncate a Matrix
I'm pretty new to MATLAB coding. I have a matrix with multiple rows (the number varies) and 3 columns. That looks something like the following: 1 2 5 1.3 4 1 1.4 2 2 1.5 3 3 I'm sure this is really simple, but how do I reduce the matrix down. Specifically the first column contains increasing numbers. Depending o... 12 Jul 2010 10:41

Using OpenMP with cpp
Hi, I've a problem when I use openmp in combination with cpp files. I made a small example file which shows my problem /* testOpenMP.c */ #include <omp.h> #include "mex.h" void mexFunction( int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[] ) { int nthreads, tid; omp_set_num_threads(4); ... 12 Jul 2010 12:55

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PD Modelling
Hi ALL, Has anyone tried to model Partial Discharge activity in dielectrics using Matlab or any other software please? Thank you Mario ... 12 Jul 2010 10:41

Removing columns
> A(end-200:end)=[]; This line is not doing what you think it's doing. See Oleg's solutions. ... 12 Jul 2010 09:35

Surf plot with NaN
Hi all, I'm programming a GUI for leveling field and I want to produce leveling plan. In order to accomplish that, I have the topography data for a lot of points in the field and I want a clean X-Y view from the sky of the field. The problem is that the field is not "aligned" with x or y axis (presence of NaN data i... 12 Jul 2010 10:41

fft amplitude in mV
I am trying to plot an fft of a known sinusoid signal. The input signal is a 20mVtt, 200Hz sinus. Duration is 0.2sec. 500kHz samplerate. When i calculate the fft I expect a spike at 200Hz with a magnitude of 10(in this case mV). y = fft(X); m = abs(y); plot(m); The fft shows a amplitude of 4.6922 at 200Hz. W... 14 Jul 2010 08:45

Recent File List/MatLAB GUI
"M Paheerathan" <mp.mscproject(a)yahoo.com> wrote in message <i1eusp$lga$1(a)fred.mathworks.com>... How to display recent file list in MatLAB GUI File menu? Is there any easy ways? Thank you, Best Regards, Paheerathan If you ask how to access it, I have a solution. It's not very elegant but it works.... 12 Jul 2010 08:29

Reading DICOM US clip (multiframe array)
I have some problems reading DICOM standard ultrasound clips. Dicomread function doesn't work when I try reading multiframe arrays. Is there anyone who could suggest me something to solve this problem? Thanks in advance ... 12 Jul 2010 08:29