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Sven Larsen


Last seen: 5 jours il y a |  Actif depuis 2022

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Question


how to calc periodiness of amplitude in signal?
I have (audio) signals where I know some signals has impulsive periodic amplitude peaks. I even know if these peaks should appea...

8 jours il y a | 1 réponse | 0

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Question


how to filter data by rate of change?
I am trying to filter signal, where data of certain rate oif change is filtered out. I am not able to achieve my goals, for exam...

12 jours il y a | 1 réponse | 0

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Question


[ideas wanted]: How to find "peaks" of sloping signal?
Shoutout to you all math wizards! I need to detect peaks of (possibly) sloping signals. i.e sometimes first "peak" is real peak ...

3 mois il y a | 1 réponse | 0

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Question


allocate array to structure, error "Scalar structure required for this assignment."
im trying to allocate numeric array to all cells in certain field of structure. mpData(i).data.speed = interp1(x,v,xq); and g...

3 mois il y a | 1 réponse | 0

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Question


unable to read GR-401 gps data with gpsdev or gpsReceiver
I have Navisys GR-401 gps receiver which works just fine with SiRF-Live. I know it uses COM3, but I am unable to read data with ...

6 mois il y a | 1 réponse | 0

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Question


How to avoid creating 1x1 struct?
I have created within for loop a 1x8 struct origStruct which is visual and very easy to read. now I also have to do separatel...

12 mois il y a | 1 réponse | 0

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Question


change mouse hover datatip information?
I have created geoscatter of vehicle speed. When hovering over datapoints on map, datatips show Latitude and Longlitude. How can...

12 mois il y a | 1 réponse | 0

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Question


cheatsheet for dealing with structures?
One thing that I find hardest in matlab is dealing with structures and extracting information from then. For me it seems there i...

12 mois il y a | 2 réponses | 0

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réponses

Question


how to crop figures from excess white area
i have a wind rose figure (see attachment) and I'm trying to get rid of white space around image. Preferably to control how ther...

plus d'un an il y a | 2 réponses | 0

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Question


how to use dsp.AudioFileWriter to write 24b bit depth audio?
Normally, I use audiowrite(fileName,y,Fs,'BitsPerSample',BitsPerSample); however, for large files, stream audio write is neede...

plus d'un an il y a | 1 réponse | 0

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Question


xcorr always gives best aligment of 0 (which by visual inspection is wrong)
i have some datacurves, which im trying to align in time. while there is clearly max correlation that can be seen visually (like...

plus d'un an il y a | 3 réponses | 0

3

réponses

Question


pause/resume mechanism for very large computations?
I am about to conduct extremely large computations (will take weeks to complete) and would like to implement somekind pause/resu...

presque 2 ans il y a | 1 réponse | 0

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Question


"Scalar structure required for this assignment" error when adding struct into existing struct.
I am having troubles adding 102 length struct consisting of 1x28 numeric cells: into existing 102 length struct2: so str...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


webwrite returns error 405, how to find its detailed cause?
I am trying to get certain graphiql working, but am getting 405 error without any detailed error description. url = 'https://ra...

plus de 2 ans il y a | 1 réponse | 0

1

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Question


Line based heatmap / 2d histogram ?
I have a bunch of measurement data with hundreds of samples and clear convergence / trend in data, which can be seen when plotti...

presque 3 ans il y a | 1 réponse | 0

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