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Wonsang You


Children's National Medical Center

Last seen: 3 years ago |  Active since 2011

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I have researched on the branch of neuroimaging, signal processing, and computer vision. My recent research interests include resting state fMRI analysis, and functional brain network modeling. Professional Interests: Neuroimaging, signal processing

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Answered
I dont know how to script this operation.
Try the following code. function s = sumUp(X) s = 0; for s=1:length(X) s = s + X(s); end end

7 years ago | 1

| accepted

Answered
Error when using Max command in a function
Your function has no logical problem. Please make sure your argument y should be a numerical vector not logical.

7 years ago | 1

| accepted

Answered
How to assign variables to imported data columns
Let's assume that you have the text file, including numbers of 4000 rows and 2 columns, called "data.txt". Then, try the followi...

7 years ago | 11

| accepted

Question


Speed up loading a single variable from a large mat file
I was trying to load a single variable 'data' from a large .mat file (>2GB) using the following command in MATLAB R2016b on Mac ...

7 years ago | 1 answer | 0

1

answer

Answered
Generate comma separated list in single line of code?
Please try the following command. subsref(repmat({'A'},1,4),struct('type','()','subs',{{':'}}))

7 years ago | 1

Answered
how to append variables in a specific .mat file in a specific path
Assume that you want to save Var into 'data.mat'. Run the following code. Var = 3; A = load('data.mat'); save('...

7 years ago | 0

Question


Error in Installing MinGW-w64 C/C++ Compiler
To install the MinGW-w64 C/C++ Compiler on Windows 10 with MATLAB R2016b, I used the Add-Ons menu. However, I got the following ...

8 years ago | 1 answer | 1

1

answer

Answered
How to use function?
A lot of computer vison-based methods are present. Example codes can be downloaded from the <http://www.mathworks.com/matlabcen...

8 years ago | 0

| accepted

Answered
MATLAB is running really slow.
If you had a parallel computing toolbox as well as its compatible hardware (either CPUs or GPUs), you could be helpful to accele...

10 years ago | 0

Question


Gamma divergence
Dear MATLAB advanced users, I am wondering about whether there exist any MATLAB implementation of the Gamma divergence. I wis...

13 years ago | 0 answers | 0

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answers