Arturo Moncada-Torres

Con actividad desde 2011

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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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Image Profiler
Generate horizontal and vertical profiles of an image.

alrededor de 7 años hace | 1 descarga |

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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...

alrededor de 7 años hace | 0

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Create Spectogram of Ripple Stimulus
Generate sample spectogram of a ripple stimulus.

más de 8 años hace | 1 descarga |

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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.

más de 9 años hace | 0

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ECG IIR Notch Filtering with Transient Suppression
Implementation of the ECG IIR notch filtering with transient suppression proposed by Pei and Tseng

más de 10 años hace | 10 descargas |

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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...

casi 11 años hace | 0

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A question about hold images
If I understand correctly, you could just average the images (assuming they have the same dimensions): IAverage = (I1 + I2)...

alrededor de 11 años hace | 0

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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...

alrededor de 11 años hace | 0

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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...

alrededor de 11 años hace | 1

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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 ...

alrededor de 11 años hace | 0

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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...

alrededor de 13 años hace | 0

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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...

alrededor de 13 años hace | 1

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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/...

alrededor de 13 años hace | 0

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Generating signals
I assume that your binary signal is periodic (+1, -1, +1, -1, ...). You would have to do something like this: % Sampling ch...

alrededor de 13 años hace | 0

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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_...

alrededor de 13 años hace | 1

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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 ...

alrededor de 13 años hace | 1

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How to plot error bars
I would recommend you to take a look at the following FEX submissions: * <http://www.mathworks.ch/matlabcentral/fileexchange/...

alrededor de 13 años hace | 1

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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>...

alrededor de 13 años hace | 1

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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...

más de 13 años hace | 0

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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...

más de 13 años hace | 1

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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...

más de 13 años hace | 1

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Fourier transform of text data
I recommend you to check this <http://blinkdagger.com/matlab/matlab-introductory-fft-tutorial/ wonderful tutorial> by Quan Quach...

más de 13 años hace | 0

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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...

más de 13 años hace | 0

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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 ...

más de 13 años hace | 0

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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...

más de 13 años hace | 1

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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...

más de 13 años hace | 0

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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...

más de 13 años hace | 1

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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 ...

más de 13 años hace | 0

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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. ...

más de 13 años hace | 0

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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, ...

más de 13 años hace | 0

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Arturo Moncada-Torres

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