Answered
volume tessellation with spheres
<http://www.mathworks.com/matlabcentral/fileexchange/31336-demo-files-for-parallel-computing-with-matlab-on-multicore-desktops-a...

12 years ago | 0

Answered
How to calculate geometric tortuosity of a 3D binary image in all directions (x,y,z)
Here's the general approach I would take: * For every pore, identify the end-points. We'll get to how to do this later. * O...

12 years ago | 0

| accepted

Answered
Grouped bar chart with single data point per group
Hi Ed, The trick here is to nan-pad Y to trick bar into thinking there are multiple groups: Y = round(rand(1,3)*10); fi...

12 years ago | 0

Answered
how to generate 1000 random numbers with extreme value dist?
doc evrnd <http://www.mathworks.com/help/releases/R2013b/stats/evrnd.html>

12 years ago | 1

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Answered
Unfold nested folds in editor
That sounds like a valid enhancement request. I would recommend contacting support. As a workaround: It seems like it reme...

12 years ago | 1

Answered
Gradient of a matrix
doc gradient If you have the Image Processing Toolbox: doc imgradient doc imgradientxy

13 years ago | 0

Answered
Using more than one file directory path in the same script ?
What you have there looks like would work if you added another for-loop over data directory. Thus dataDirectory would be a ce...

13 years ago | 0

Answered
Issue with Cholesky decomposition and positive definiteness
Hi James, When I started at MathWorks, I asked our MATLAB/Math development team a very similar question. It was the first ti...

13 years ago | 1

Answered
Corrcoef creating NaNs from datasets with no NaNs
corrcoef(zeros(10,1),zeros(10,1)) They'll occur from |0/0| or |inf/inf|

13 years ago | 0

Answered
Changing XDir permanent to reverse
|plot| is a high-level functhat changes a bunch of properties automatically. If you don't want to change the other properties, ...

13 years ago | 1

Answered
Using the fzero function
Change the anonymous function to something like the following: Ko = 92; S = .11; x = fzero(@(xx)mzero(xx,S,Ko),x0); ...

13 years ago | 2

Answered
Where can I find the code for the function "hcomputeMTMValues" in http://www.mathworks.in/help/fininst/counterparty-credit-risk-and-cva.html ?
which -all hcomputeMTMValues _C:\Program Files\MATLAB\R2013b\toolbox\fininst\fininstdemos\hcomputeMTMValues.m_

13 years ago | 0

Solved

Upper triangular matrix
Create a function to retrieve the upper triangular matrix of a matrix (without using tril). The matrix will always be square. ...

13 years ago

Answered
how to do two dimensional discrete fourier transform for image?
doc fft2

13 years ago | 0

Answered
my project is to detect the potholes on the roads.....so how to do the code for k-means clustering?
>>codegen edge _??? The function 'edge' is not supported for standalone code generation. See the documentation for coder.ex...

13 years ago | 0

Answered
How to do that.the product of four consecutive even integers is 13440. Using Matlab?
Obligatory one-liner: vals = 2*find(prod(bsxfun(@plus,(2:2:13440).',0:2:6),2)==13440)+[0:2:6]

13 years ago | 0

Answered
stop bringing GUI to front
Hi Adrian, You have to use low level plotting functionality to |set| the properties of graphics objects (i.e. the text) that ...

13 years ago | 0

Answered
Simscape Customized Component Library
Run: >>mex -setup To set up the compiler.

13 years ago | 0

Answered
Calculate matrix from symbolic equation
zp = subs(zplane,{x,y,z},{1:100,1:100,1:100}) To get a numeric solution from this: double(zp)

13 years ago | 0

Answered
how to Plot waterfall curve for BER vs Eb/No im matlab?
doc waterfall ?

13 years ago | 0

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Answered
Number of usable cores differs from 2013a to 2013b?
If you go to parallel preferences, what is the preferred number of workers?

13 years ago | 0

Answered
After the Answers Update on 9/18/2013, why does the Answer box look weird?
Please clear out your temporary internet files in IE: # Internet Options # General tab # Delete... button under Browsing Hi...

13 years ago | 0

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Question

After the Answers Update on 9/18/2013, why does the Answer box look weird?
Now that I can upload images (!!!), why does the answer box expand over some buttons (or similar)? <</matlabcentral/answers/u...

13 years ago | 1 answer | 0

1

answer

Answered
Is mlappinstall backward compatible?
1) The app is not backward compatible. However, it's a glorified *.zip file that can be renamed and have the MATLAB files extr...

13 years ago | 1

| accepted

Answered
How to find elements of a 3d matrix inside a volume
Hi Ashli, This utility will "voxelise" your mesh. Then you can use that image as a logical index into your 3d image: <htt...

13 years ago | 0

Answered
2013b editor tabs ordering? (at the top, not ^I, HT)
Do you have the alpabetical sorting checked? Right click on the panel bar somewhere and make sure it's not checked (or check it...

13 years ago | 0

Answered
Simplify expression displayed in command window
vpa(r,10) %change 10 to desired number of digits or double(r)

13 years ago | 0

Solved

Converting numbers back from extended form
Thanks for all the help you guys gave me on writing out the numbers in extended form in <http://www.mathworks.com/matlabcentral/...

13 years ago

Answered
how to access cells of n-dimensional array without colon operator?
That was a fun post-lunch challenge, thanks! extractFromND(magic(3),[1 2],[2 3;3 3]) It does not accept |end| you have t...

13 years ago | 0

| accepted

Answered
Ranking SVM for Age Estimation
<http://www.mathworks.com/help/releases/R2013b/stats/support-vector-machines-svm.html> The Statistics Toolbox supports suppo...

13 years ago | 0