Matlab

producing 3D plot that looks like a 'origin' 3d walls plot
Hi The software origin has the ability to plot 3D walls like so; http://www.originlab.com/index.aspx?s=8&lm=215&PID=1450 I'd like to do the same in matlab (i dont have origin!) My attempt is; load pointtwo_ODdatadt.txt; z = pointtwo_ODdatadt(:,1); x = pointtwo_ODdatadt(:,2); y = pointtwo_ODdatadt(:,3); l... 23 Apr 2010 20:53

problems with blockproc
Hello, I am currently working on matlab 2009b ver. I have the folowing part that works: fun = @(x) sum(x(:)); temp_im = blkproc(1.-im_binary,win_size,fun); im_binary is <2183x1375 logical>, win_size is [400 400]; Since I understand that in new version blkproc is removed, I tried to change blkproc functio... 23 Apr 2010 20:54

How to split with multiple criterion
Hello, I've got datas which are organised like this : time = 17610576, 17610582, 17610588, 17610594, 17610600, 17610606, 17610612, 17610618, 17610624, 17610630, 17610636, 17610642, 17610648, 17610654; I use fgetl to catch each line and use regexp to pick numerical datas. I would like to split with regexp e... 29 Apr 2010 04:34

Simulink data export problem
Hi all.. here is the problem, i try to run a simple simulink model e.g abc from a matlab m file, the model is supposed to return a value to workspace stored in the array "err" here is the simplified m file sim('abc'); err when i execute this, matlab comes up with an error that err is un-defined. so please tel... 23 Apr 2010 20:53

basics
Hello, Lets say I have a matrix, aa = [1 2 0;-1 0 6] aa = 1 2 0 -1 0 6 If check the number of rows of aa , using size(aa,dim) , where dim is 1 size(aa,1) ans = 2 It tells me there are two rows. Fine. Now if I need to find the minimum value along th... 23 Apr 2010 20:54

Least square fitting
Hi, I have this graph: x = [0.000235 0.00025 0.0003 0.0004 0.0005 0.0006 0.00075] y = [54.9 43.1 62.7 86.3 86.3 90.2 96.1] plot (x, y) xlabel ('Amplitude') ylabel ('Correct Detection [%]') legend ('Psychometric Function') and I want to fit it to this equation: P(A, 'theta') = [1/sqrt(2*pi*sigma²)] * ... 23 Apr 2010 20:54

ezplot & color
Hi what can I ezplot a loop with different colors . it means every curve to be ploted in a color??? tanx ... 23 Apr 2010 17:37

create and parse mdl file programatically
Hi, I want to parse an mdl file to fetch the block data from and mdl file and store it in my application database. Similarly I have to create an mdl file from the data within my application to open in the matlab. Are there any exposed C++/JAVA APIs from matlab-simulink to parse and/or create mdl file? Or is there... 23 Apr 2010 17:37

N-gram extraction
Did you find out how? T. "Shar " <sharteel(a)abv.bg> wrote in message <hcnbgq$jld$1(a)fred.mathworks.com>... Hello, I am still new to Matlab, and not yet used to vectorization. I need to perform the task without for loops, if possible, because I have too much data. What I need: Extract all sub-matrice... 23 Apr 2010 17:37

compiler
Hi I have the following question. At my work I have developed a GUI and successfully compiled and deployed the tool onto a network where end-users can make use of the tool. Is there anyway to monitor how often users opens the tool. To keep some sort of log? Any help is much appreciated ... 23 Apr 2010 17:37