David J. Mack
UniversityHospital Zurich
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3 Questions
30 Réponses
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66.67%
VOTES REÇUS
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NOMBRE MOYEN DE LIKES
10 of your answers have been accepted
Awarded to David J. Mack on 15 Feb 2022
Your submissions received 1 five star rating
Awarded to David J. Mack on 14 Dec 2020
Your submissions were downloaded 30 or more times in a month
Awarded to David J. Mack on 01 Nov 2019
Publish your first review
Awarded to David J. Mack on 09 Oct 2019
Publish your first submission
Awarded to David J. Mack on 09 Oct 2019
Contribute at least one answer each month for 3 consecutive months
Awarded to David J. Mack on 02 Jan 2018
Accept 1 answer given by other contributors
Awarded to David J. Mack on 20 Jul 2017
Answer 1 question that was unanswered for more than 30 days
Awarded to David J. Mack on 20 Jul 2017
3 of your answers have been accepted
Awarded to David J. Mack on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to David J. Mack on 20 Jul 2017
Solve a problem for the first time
Awarded to David J. Mack on 31 Oct 2012
Feeds
A soumis
detectEcgWithAngle(ecg, fSInHz, varargin): Heartbeat detection using sample-to-sample angle
Implementation of the R-peak detector using the angle between successive samples.
environ 7 ans il y a | 2 téléchargements |
how to compute running correlation coefficient
And again... Have a look at <https://ch.mathworks.com/matlabcentral/fileexchange/65342 MOVCORR> Greetings, David
environ 7 ans il y a | 1
How to compute sliding or running window correlation coefficient?
If someone encounters this problem, I have written a function in analogy to the MOVSUM function, which compute the moving Pearso...
environ 7 ans il y a | 0
Rolling correlation / moving correlation
Hey Mate, I have written a function in analogy to the MOVSUM function, which does exactly that: <https://ch.mathworks.com/...
environ 7 ans il y a | 0
A soumis
movcorr(x, y, k, varargin): Compute windowed correlation coefficient
Compute a moving correlation for two vectors x & y in analogy to the MOV* functions.
environ 7 ans il y a | 19 téléchargements |
How to find next number divisible by n
How about b = n * ceil(a / n) Greetings, David
environ 7 ans il y a | 0
Find RR Interval in seconds
The obvious solution would be: rrInSec = rrInSamples / samplingRateInHz
environ 7 ans il y a | 1
| A accepté
Change legend width after reisze of legend line length
Hey Simon, this is an issue which pops up regularly, since the customization options of legends are currentyl (when I last ch...
plus de 7 ans il y a | 0
How to delete a plot in UIAxes?
You could store the handle to the fitted line in the UserData of the figure and then retrieve it every time the button is hit an...
plus de 7 ans il y a | 1
| A accepté
Grouping multivariant data for Andrewsplot
Hey! So |andrewsplot| states that "The rows of X correspond to observations, the columns to variables". It seems that you hav...
plus de 7 ans il y a | 0
| A accepté
How changing the loglog scale x and y axis?
Have you tried to use <https://ch.mathworks.com/help/matlab/ref/semilogy.html semilogy> instead of |loglog|, e.g.: semilogy...
plus de 7 ans il y a | 1
A soumis
table2char(data,varargin)
Converts a table or dataset to a formatted character matrix.
plus de 7 ans il y a | 3 téléchargements |
A soumis
printFigs2Files(varargin)
Print figures to files in several formats for publication.
plus de 7 ans il y a | 1 téléchargement |
A soumis
onoffids2logical(onOffIds, varargin)
Convert start and end ids of events to logical indicator array.
presque 8 ans il y a | 1 téléchargement |
Increase nonzero values without deleting zeros
Hey monmatlab, simply use logical indexing: Y = X; isNonzero = X~=0; Y(isNonzero) = 10*Y(isNonzero); or the more ...
presque 8 ans il y a | 1
| A accepté
A very quick question
Hey Radoslav, In general, to convert a logical array to ids use |<http://www.mathworks.com/help/matlab/ref/find.html find>|. ...
presque 8 ans il y a | 0
How to create a new matrix adding vectors of different size based on time
Hey Robert! First, a conceptual question: Can you make sure you have the same sampling interval & phase across all your signa...
presque 8 ans il y a | 1
| A accepté
Plotting a lattice with color coded nodes
Hey Bill! % Generate the random values on the 50x50, 2-dimensional lattice directly % using X = randi(imax,sz1,...,szN)...
presque 8 ans il y a | 0
| A accepté
How can I adjust the labels on contour lines in a 'meshc' 3D-plot?
Hey Ibrahim, have a look at <https://ch.mathworks.com/help/matlab/ref/contour-properties.html |Contour Properties|> - the |La...
presque 8 ans il y a | 0
| A accepté
how to reduce dimensionality of features by usin pca?
To get a simply answer (whitout really adressing the problem), have a look as <https://ch.mathworks.com/help/stats/pcares.html |...
presque 8 ans il y a | 0
Replication factors must be a row vector of integers or integer scalars.
nFilters/16 is probably not an integer. Depending on your needs, try round(nFilters/16) instead or use a number of filters which...
presque 8 ans il y a | 1
TEXTSCAN is my personal nemesis: Quotes strings with commas
Thanks Stephen for staying with me (you where right in the first place; reading the doc carefully helps)! I finally found my ...
environ 8 ans il y a | 0
Question
TEXTSCAN is my personal nemesis: Quotes strings with commas
Dear all, I thought I acquired some Matlab knowledge over the years. But |textscan| really makes me feel dumb. I can not fi...
environ 8 ans il y a | 3 réponses | 0
3
réponsesReplace elements in a SxS matrix with zero, in each column but in different rows
Hey Miroslav, have you looked at the |<http://www.mathworks.com/help/matlab/ref/sub2ind.html sub2ind>| function? Should be so...
environ 8 ans il y a | 1
What does "something = cell (size(session,1),1" mean/look like?
Hey Marie, the above creates a column cell with n elements, where n are the number of rows of session. Cheers, David
environ 8 ans il y a | 1
A soumis
simulateSaccades - A simple and easy-to-use saccade model
Simulates saccades which follow an empirical measured main sequence
environ 8 ans il y a | 1 téléchargement |
Import and find a specific number from a text file
Try use regexp: file='c:\Users\David J. Mack\Desktop\test.txt'; numFormat1 = {'[ ]{1,7}(\-?\d+\.\d{3})'}; %e.g. %12.3f ...
environ 8 ans il y a | 0
how to plot auto correlation and cross correlation function in a single figure?
The negative autocorrelation is the same as the positive as you use the same signal for the correlation. So if you want to pret...
environ 8 ans il y a | 0
3D plot of an equation with 3 variables
Hey Amruth, have a look at |<https://www.mathworks.com/help/matlab/ref/surf.html surf>|. Use the surf(x,y,z,c) syntax. Gre...
environ 8 ans il y a | 0
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