Matlab

boxplot - how are outliers determined?
The help file says that outliers are not included in the whisker of the boxplot function. I'd like to know what constitutes "outliers". Thanks. ... 25 May 2010 16:51

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constant indices in bwlabel although the layer changed
Hallo, I have got a question regrading bwlabel: I am analysing various bone-layer by bwlabel. For each layer I get the indices of each area which is air in the bone. But: The air-in-bone areas change from layer to layer. That's why also the indices change - although they often belong to the same air-in-bone... 25 May 2010 17:57

using TESTHET - statistical tests for heteroskedasticity
Hello, I’m trying to test my dataset for heteroskedasticity with TESTHET, a function proposed by Oleg Komarov. I have three questions, maybe someone could answer me: - if the OLS model has no intercept, the auxiliary model may have one? - what is the minimal number of observations to apply White’s metho... 25 May 2010 15:45

Macros in the LaTeX interpreter
I'm using the LaTeX interpreter to renter all of the labels and legends on my figures for a document I'm preparing in LaTeX. Is there a way to define macros such as; \newcommand{\rscale}{\rho} so that I can ensure consistency across all of my figures. xlabel('Cross section ($\rscale$)','interpreter','latex'); ... 25 May 2010 15:45

lower bound exceeds upper bound
Hi, I'm stuck with a problem in my fmincon optimization. To be specific, it concerns the lower and upper bound. I want to constrain the optimization by putting constraints on the bounds. But in some combinations of the 3 state variables (i,j,m) the lower bound exceeds the upper bound. This makes sense mathematically... 26 May 2010 15:48

Large Scale Problem: lsqnonneg vs lsqlin
lsqnonneg works fine and returns resnorm of 9 10^-8 while lsqlin returns peaky solution and the resnorm of 1.12 10^-5. The returned solution in this case is ok, not as good as in the case of lsqnonneg. Since the problem is large scale, I am under impression that I can not use lsqnonneg. I would like to use lsqli... 27 May 2010 11:29

Large Scale Problem: lsqnonneg vs lsqlin
I am trying to solve a ill-posed linear problem using temporal and spatial regularization. This code is supposed to work on MRI images where it would be dealing with 256 x 256 x 50 voxels in 3D or 256 x 256 in 2D at a time. So, this is going to be a large scale problem. I know the explicit matrix as well as (matrix... 25 May 2010 14:38

live-updating editable text
I have a live updating editable text field in a GUI modeled after the one mentioned here - http://www.mathworks.com/matlabcentral/newsreader/view_thread/267096#736233 The problem I am having is that it doesn't update; unless I stop it in the editor, and then it works perfectly. I am using GUIDE to build the GUI. ... 16 Jun 2010 07:45

Calling to a data file
I'm still fairly new with Matlab, so bear with me! I am trying to write a main program that can load in arrays from a seperate .m file, and then call a function with those values. My attempt at elaboration: (File 1): Main program (File 2): .m file that is full of arrays of data (there are about 30 very big arra... 25 May 2010 15:45