Arturo Moncada-Torres
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Biomedical Engineer and volleyball enthusiast driven by improving people's health through the development of novel medical technology.
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Your submissions received 3 five star ratings
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Have 1 submission connected to GitHub
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Feeds
Peaks over threshold counting events
Based on your requirements, I would do the following: data = Hs_hr(:,1); thr = 7; % Set data smaller than thresho...
environ 7 ans il y a | 0
| A accepté
how to insert pointers/markers
I think <http://www.mathworks.com/help/releases/R2012a/techdoc/creating_plots/f0-4741.html this> is what you are looking for.
plus de 9 ans il y a | 0
| A accepté
Dynamic addressing of files and folders for inputting data
I believe |<http://www.mathworks.ch/ch/help/matlab/ref/dir.html dir>| is your best choice. For example, if you are looking for E...
presque 11 ans il y a | 0
A question about hold images
If I understand correctly, you could just average the images (assuming they have the same dimensions): IAverage = (I1 + I2)...
environ 11 ans il y a | 0
how to use colormap in matlab?
A very <http://lmgtfy.com/?q=different+colormaps+in+one+image+matlab quick google search> threw this as <http://www.mathworks.ch...
environ 11 ans il y a | 0
How can I access element with same index from multiple cells
I suggest you to use <http://www.mathworks.ch/ch/help/matlab/ref/cellfun.html cellfun>, which applies a function to each element...
environ 11 ans il y a | 1
request user to press enter key
You can try Jos's <http://www.mathworks.com/matlabcentral/fileexchange/7465-getkey getkey> function. What this function does is ...
environ 11 ans il y a | 0
What are the steps for making a 'fft filter'?
Try checking this <http://www.mathworks.com/matlabcentral/answers/9647-use-fft-x-as-a-highpass-filter previous post>. Although i...
environ 13 ans il y a | 0
How to include a character with a macron (horizontal bar) in a legend?
Complementing Oleg's answer, I include one of the <http://www.mathworks.ch/matlabcentral/newsreader/view_thread/114116 workaroun...
environ 13 ans il y a | 1
problem with making a very simple matrix
The problem is that you are trying to compare floating point numbers. This is clearly explained in the <http://matlab.wikia.com/...
environ 13 ans il y a | 0
| A accepté
Generating signals
I assume that your binary signal is periodic (+1, -1, +1, -1, ...). You would have to do something like this: % Sampling ch...
environ 13 ans il y a | 0
Subscript assignment mismatch with the use of 'find'
I recommend you to look at this part of the <http://matlab.wikia.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_.28or_similar.29_not_equal_...
environ 13 ans il y a | 1
GUI: how to insert png image with original resolution and transparent background?
To keep your image in its original scale, you have include the following line just after the one where you display the image in ...
environ 13 ans il y a | 1
How to plot error bars
I would recommend you to take a look at the following FEX submissions: * <http://www.mathworks.ch/matlabcentral/fileexchange/...
environ 13 ans il y a | 1
filter sampled excel data in matlab
Filtering in MATLAB is something very easy. Take a look at the |<http://www.mathworks.ch/help/toolbox/signal/butter.html BUTTER>...
environ 13 ans il y a | 1
| A accepté
PCA: number of attributes much bigger than number of data samples
I recommend you to look at this <http://matlabdatamining.blogspot.com/2010/02/putting-pca-to-work.html great tutorial> by <http...
environ 13 ans il y a | 0
How to make matrix a possitive definite
I understand that you may need as few training samples as possible. However, this is not always good, since your performance wil...
environ 13 ans il y a | 1
| A accepté
Standarization before feature selection
It all depends on your application. It is not a golden rule, but can be handy in some cases. For example, let's suppose you wil...
environ 13 ans il y a | 1
| A accepté
Fourier transform of text data
I recommend you to check this <http://blinkdagger.com/matlab/matlab-introductory-fft-tutorial/ wonderful tutorial> by Quan Quach...
plus de 13 ans il y a | 0
correlation b/w to Diode I_V curves
There are several ways to calculate the error. Let's suppose the following: theoretical = 0:10; experimental = awgn(theoret...
plus de 13 ans il y a | 0
problem with if statment
The problem is that _dec2bin_ returns the binary number in a string and *not* in a numeric format. You can try any of these two ...
plus de 13 ans il y a | 0
regarding specific files from folder
Does this solution work for you? I have not tested it, let me know if it works. files = dir('*.h5'); % Find the files with...
plus de 13 ans il y a | 1
| A accepté
Chebyshev Type I low pass filter design
I recommend you to use the <http://www.mathworks.com/products/signal/demos.html?file=/products/demos/shipping/signal/introfdatoo...
plus de 13 ans il y a | 0
| A accepté
Individual files reading
On a quick thought, it would be something like this: files = dir('*.h5'); % Find the files with extension .h5 in the curre...
plus de 13 ans il y a | 1
| A accepté
Anomaly with the number 32??
To know if a cell array is empty, I would recommend you to do the following: myEmptyCells = cellfun(@isempty,cellArray); As ...
plus de 13 ans il y a | 0
How do I display a graph with a calculate function in GUI?
I have tried the following code and it works. The problem is that x and y were not the same size. Insert the following code. ...
plus de 13 ans il y a | 0
| A accepté
Retain current directory
I recommend you to check the <http://www.mathworks.com/help/techdoc/ref/cd.html cd function documentation>. On a quick thought, ...
plus de 13 ans il y a | 0
amplitude of FFT output high compared to input
Remember that you must scale the output of the FFT, for example: fs = 250; % Sampling frequency [Hz]. Ts = 1/fs; % ...
plus de 13 ans il y a | 0
adding noise to an ecg signal
I would do something like this: % Sampling fs = 1000; Ts = 1/fs; % Time vector t = 1:Ts:10-Ts; % Signal f =...
plus de 13 ans il y a | 2
Converting/interpolating into different array
Are you sure is not the other way around? Moving from a 10 element array to a 25 element array you would be _interpolation_. Mov...
plus de 13 ans il y a | 0
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