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David J. Mack


UniversityHospital Zurich

Last seen: mehr als 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 | 7 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.

etwa 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

etwa 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...

etwa 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/...

etwa 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.

etwa 7 Jahre vor | 23 Downloads |

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

mehr als 7 Jahre vor | 0

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

mehr als 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...

mehr als 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...

mehr als 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...

mehr als 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...

mehr als 7 Jahre vor | 1

Gesendet


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

mehr als 7 Jahre vor | 3 Downloads |

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Gesendet


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

mehr als 7 Jahre vor | 1 Download |

Gesendet


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

fast 8 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 ...

fast 8 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>|. ...

fast 8 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...

fast 8 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)...

fast 8 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...

fast 8 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 |...

fast 8 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...

fast 8 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 ...

etwa 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...

etwa 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...

etwa 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

etwa 8 Jahre vor | 1

Gesendet


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

etwa 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 ...

etwa 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...

etwa 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...

etwa 8 Jahre vor | 0

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