Risposto
How to find elements in an array faster / without using for loop?
Hi Jan, The 'ismember' function should be able to do this! Christopher

circa un anno fa | 1

Domanda

Truncated SVD returns unexpected 1*1 result
Hi, I am currently prefoming SVD on six channels varying in time of the same type of biometric data. The recorded channels are ...

circa un anno fa | 1 risposta | 0

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Domanda

rdann cannot find file on specified path (Physionet wfdb)
Hi there, I am working with physionet data (2018 you snooze you loose compitition) and the wfdb toolbox. I am trying to use the...

circa un anno fa | 0 risposte | 0

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Risposto
Unable to install the add-on. Try again later.
Hi Vivek, I had the same issue but installed the toolbox manually and it worked fine. Here is a link to instructions on how to....

circa un anno fa | 0

Domanda

PCA output gives NaN after normalizing input matrix
Hello, I have an array of 117 features and 125941 observations. I preformed principle component analysis via svd(x) (code below...

oltre un anno fa | 1 risposta | 0

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Risposto
student license and simpower library
Open matlab -> Add-ons -> SimScape Electrical/ Simscape power systems (is what I think you are looking for)

oltre un anno fa | 0

Domanda

Principle Component Analysis/ Singular value decomposition; great with ovariancancer dataset terrible with my data
Hello, I am currently getting to grips with PCA, I came accorss a great tutorial from Steve Brunton on its use with matlab. Thi...

oltre un anno fa | 0 risposte | 0

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Risposto
When using the 1D convolution example code from MATLAB am getting an error about incorrect use of '='.
Hi Joseph, If you have a look at the docuementation it calls for named pairs for input, this would look something more along th...

oltre un anno fa | 0

Risposto
Word recognition power frequency domain
Hi Leon, From what I can understand you are looking for the local maximums, however this returns vectors of varying lengths? ...

oltre un anno fa | 0

| accettato

Domanda

Table of Tables or cell of Tables
Hi, I am preforming machine learning on 13 channels of data and am currently at the feature extraction stage. I have created 13...

oltre un anno fa | 1 risposta | 0

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Domanda

3D array, remove columns where second array == -1
Hi, I am curently processing 13 channels of PSG data. I take my data and create 10 second buffers with 5 second overlaps for th...

oltre un anno fa | 1 risposta | 0

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Risposto
sample Matlab COM object for C# .NET Framework application
Hi, The MATLAB documentation has lots of examples and documentation to get you going. Here's a link to an example. And a se...

oltre un anno fa | 0

Domanda

Array prealocation - Extra array of zeros in 3D array
Hi, I have a 13 channel signal recorded over several hours. I wish to take all channels, split them into 10 second windows wit...

oltre un anno fa | 1 risposta | 0

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Risposto
How to know the gain value used in this controller when I know the input and output of the pid controller
Mathematically speaking gain is the output divided by the input of a system. The next question is if this produces a linear or n...

oltre un anno fa | 0

Domanda

Plot - Remove axis ticks but keep grid lines
Hi, I am producing a graph to view open source polysomnography data. I have several arrays in one plot window with an offset be...

oltre un anno fa | 1 risposta | 0

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Risposto
B-spline fit of airfoil coordinates
Hi Marco, Thats a really cool problem! Looking at it I would assume that the resoloution between x = 0 and x = 0.01 is not gr...

oltre un anno fa | 0

Risposto
How to export live script to latex beamer document class?
Hi @Barbab, One soloution maybe to use mcode if you are not already doing so. I would also suggest taking a look at implementin...

oltre un anno fa | 0

Risposto
How to let Matlab show large trends in Nyquist Plot?
Hi Zizhuo, You are correct, considering a system L(s); where L(s) has two poles at the origin, will give a 360 degree colocwis...

oltre un anno fa | 0

Risposto
Problem with readtable MATLAB R2020a+
Hi Paolo, I am hoping I have an answer for you however I am working in MATLAB 2020b, it is post 2020a so I think the changes s...

oltre un anno fa | 0

Risposto
Create a grouped boxplot
Hi NA, From the documentation here (See section boxplotGroup(__,'primaryLabels',c) ) the number of primary lables should matc...

oltre un anno fa | 2

| accettato

Risposto
How to normalize data?
Hi Seval, Normalising data has several diffrent meanings statistically speaking. I am guessing given the mention of the Y colum...

circa 2 anni fa | 0

Risposto
FIR Filter delay for Realtime Signal Processing
Hi Ghazian, Your question is more about sampling theroy than matlab. Using an FIR filter will intorduce group delay to the sig...

circa 2 anni fa | 0

Risposto
how to plot all points
Hi Vedang, Before considering my answer below you should know that there are more efficent methids to do this. However as you ...

circa 2 anni fa | 1

Risposto
How i will draw circle around specific point in 3D model
Hi Radoslaw, There are a couple of similar questions that answer your question. Here is a link as to how to plot circles. I a...

circa 2 anni fa | 0

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Risposto
How to upsample a picture with initial values?
Hi Benat, MATLAB as an inbuilt function to do this for you. Let me know if you need any other help. Christopher

circa 2 anni fa | 0

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Domanda

Remove rows from table identified in a second string array
Hi, I have a table of results, called Results which is 505x11. The first column is Results.Filename and gives an asociated str...

circa 2 anni fa | 2 risposte | 0

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Risposto
Store values from while loop into an array
Hi Jacob, I am not sure what u and v are suppsosed to look like, if you could give some data that would be great! I have been ab...

circa 2 anni fa | 0

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Risposto
Index in position 1 exceeds array bounds
In your code in line 22 you have resb=resids(bidx(bb,:),:); where as with any index resb=resids(A,B). MATLAB is trying to tell...

circa 2 anni fa | 0

Risposto
pull_up_down in Matlab
Hi Sapir, In MATLAB there is a "configurePin" command which can enable the pull up resistor. Here is the link to the documentat...

circa 2 anni fa | 0

Risposto
Can I use Matlab/Simulink to replace our current CFD?
Hi there, MATLAB is a great and versatile programe that can acheive many things, CFD being one of them. I am currently working...

circa 2 anni fa | 0