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David J. Mack


UniversityHospital Zurich

Last seen: etwa 2 Jahre vor |  Aktiv seit 2012

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Find me at https://www.researchgate.net/profile/David_Mack4

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Gesendet


resizeLegend(varargin)
Shortens a legend

mehr als 6 Jahre vor | 3 Downloads |

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Gesendet


detectEcgWithAngle(ecg, fSInHz, varargin): Heartbeat detection using sample-to-sample angle
Implementation of the R-peak detector using the angle between successive samples.

fast 7 Jahre vor | 2 Downloads |

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Beantwortet
how to compute running correlation coefficient
And again... Have a look at <https://ch.mathworks.com/matlabcentral/fileexchange/65342 MOVCORR> Greetings, David

fast 7 Jahre vor | 1

Beantwortet
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...

fast 7 Jahre vor | 0

Beantwortet
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/...

fast 7 Jahre vor | 0

Gesendet


movcorr(x, y, k, varargin): Compute windowed correlation coefficient
Compute a moving correlation for two vectors x & y in analogy to the MOV* functions.

fast 7 Jahre vor | 21 Downloads |

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Beantwortet
How to find next number divisible by n
How about b = n * ceil(a / n) Greetings, David

etwa 7 Jahre vor | 0

Beantwortet
Find RR Interval in seconds
The obvious solution would be: rrInSec = rrInSamples / samplingRateInHz

etwa 7 Jahre vor | 1

| akzeptiert

Beantwortet
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...

etwa 7 Jahre vor | 0

Beantwortet
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...

etwa 7 Jahre vor | 1

| akzeptiert

Beantwortet
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...

etwa 7 Jahre vor | 0

| akzeptiert

Beantwortet
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...

etwa 7 Jahre vor | 1

Gesendet


table2char(data,varargin)
Converts a table or dataset to a formatted character matrix.

etwa 7 Jahre vor | 3 Downloads |

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Gesendet


printFigs2Files(varargin)
Print figures to files in several formats for publication.

etwa 7 Jahre vor | 1 Download |

Gesendet


onoffids2logical(onOffIds, varargin)
Convert start and end ids of events to logical indicator array.

mehr als 7 Jahre vor | 1 Download |

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Beantwortet
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 ...

mehr als 7 Jahre vor | 1

| akzeptiert

Beantwortet
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>|. ...

mehr als 7 Jahre vor | 0

Beantwortet
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...

mehr als 7 Jahre vor | 1

| akzeptiert

Beantwortet
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)...

mehr als 7 Jahre vor | 0

| akzeptiert

Beantwortet
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...

mehr als 7 Jahre vor | 0

| akzeptiert

Beantwortet
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 |...

mehr als 7 Jahre vor | 0

Beantwortet
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...

mehr als 7 Jahre vor | 1

Beantwortet
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 ...

fast 8 Jahre vor | 0

Frage


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...

fast 8 Jahre vor | 3 Antworten | 0

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Antworten

Beantwortet
Replace 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...

fast 8 Jahre vor | 1

Beantwortet
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

fast 8 Jahre vor | 1

Gesendet


simulateSaccades - A simple and easy-to-use saccade model
Simulates saccades which follow an empirical measured main sequence

fast 8 Jahre vor | 1 Download |

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Beantwortet
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 ...

fast 8 Jahre vor | 0

Beantwortet
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...

fast 8 Jahre vor | 0

Beantwortet
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...

fast 8 Jahre vor | 0

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