Matlab

solving an inequality
Hi, I have a system of inequality consisting of a lot of inequalities. How can I find if it has any answer or not, or possibly find a solution for it? thanks ... 3 Jun 2010 12:16

Filtering a signal
Hello, I have a signal (fs=50,000Hz) that has vibrations at various different frequencies. I need to get rid of vibrations at a specific frequency (86.2Hz), but I am unsure how to do this. I have tried using a bandstop frequency from the fdatool but have so far been unsuccesful. I am new to filters (especially in ma... 31 May 2010 08:39

beginner loop m file question
Hello, I am a very new beginner with matlab and have been attempting to use it for my student project in systems biology. I have an m file which performs a Gillespie stochastic simulation. I would like to perform this simulation multiple times and store the results from each run in a matrix or array. The mode... 1 Jun 2010 09:44

Using Imtool for DICOM 16-bit images in an executable GUI
Hey all, I made a GUI that opens and processes a stack of CT images in a certain way. The GUI runs just fine within Matlab and when I compiled it into an executable, it still works correctly apart from one small aspect. There is one button which calls ImTool and allows the user to see the CT image at different W... 1 Jun 2010 01:07

bimodal histogram
how can I divide somewhat bimodal data to two data sets? ... 31 May 2010 08:39

bimodal histogram
I have data that seems to be bimodal from looking at the histogram, how can i find a threshold to divide the data to two data sets? ... 31 May 2010 06:30

Calculation of temperature amplitudes each day and per station
Hi, i have a mat file with several stations (given with station number). I plot several parameters with a wind rose program. I loop through the stations with uniqstation = unique(stnr(:) ); for i=1:length(uniqstation) I = find( stnr(:) == uniqstation(i)); sub_dd = dd(I); sub_tl = tl(I); sub_s... 31 May 2010 08:39

Local Histogram Performance Improvement
Hi, I've been using the following code to acquire local histogram of an image, but I've found it to be quite slow, for example, for a 128x128 grayscale image it takes about 25 seconds to acquire all the histograms. Could you please provide any tips on how to reduce this time? The code is given below. Thank you. H... 1 Jun 2010 02:11

Dicomwrite
how to add digital signature to dicomheader? pls,help me. ... 31 May 2010 07:34

Dicomwrite
i have to include new message to dicomheader. is it possible? ... 31 May 2010 05:26