Question


how to skip spinner values based on variable/button ?
I have a spinner associated to a button I would like this button to be inactive for spinner values "during" which I pressed ano...

environ 4 ans il y a | 1 réponse | 0

0

réponse

Question


how to update progress gauge based on analyze progress in App designer GUI ?
I am trying to use a gui to go through some data and analyze segments of them. I am able to select different segments using a s...

environ 4 ans il y a | 1 réponse | 0

1

réponse

Question


how can I set spinner limit range based on text box entry ?
I have a gui with a spinner in it I would like to input a value in a text box and use it as upper limit for the spinner can't ...

environ 4 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
How to read spectrogram outputs and pick out interesting time-window?
the spectrogram can be handled as a surf plot if f is the freq you get out of the spectrogram fs is the freq range of you segme...

environ 4 ans il y a | 0

Question


pulse train generator - wrong freq output
I am trying to get 50 Hz digital output from a USB-6211 using the code below. The TTL is supposed to activate a device which is ...

environ 4 ans il y a | 1 réponse | 0

0

réponse

Question


Interpolate 2D matrix of x,y coordinates
I am trying to estimate the missing points of a matrix of 2D coordinates obtained from the video of a moving object. the coordi...

plus de 4 ans il y a | 1 réponse | 0

1

réponse

Question


how to generate a pulse train of known frequency and visualize/count the pulses (NI USB 6211 DAQ)
Hi everyone I am having trouble with some code to start a pulse generation from a device (NI USB-6211 DAQ) while counting it. ...

plus de 4 ans il y a | 1 réponse | 0

0

réponse

Question


ribbon plot with different variable arrays
I have some troubles plotting a data set using the ribbon plot function. My data are organized in 3 arrays: X=1621x10 double...

plus de 4 ans il y a | 1 réponse | 0

0

réponse

Question


Scatterhist without normalized y axes on the marginal histograms. How ?
I am trying to plot some data using the scatterhist function. The plotting works perfectly if not for one thing: when plotting ...

plus de 4 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
slicing a volume in desired direction
I am not sure what you want to achieve perhaps you could use the find function to determine vertices ranges, select them, and u...

environ 5 ans il y a | 1

Réponse apportée
timer function is not executing the function i am providing ,please help me with this?
ritik does not seem to be a matlab function, could you post your code ?

environ 5 ans il y a | 0

Réponse apportée
Findpeaks loop value not saving separately
not sure what you want to do but I try to guess. you can use the function "diff" between elements of different matrices (for co...

environ 5 ans il y a | 0

| A accepté

Réponse apportée
How to pull edit box string from uicontrol
as an alternative, instead of using an external function you could type edittest = uicontrol('Style', 'edit', 'Position', [2...

environ 5 ans il y a | 0

Question


how to get value of uicontrol edit text without calling a function ?
I am trying to edit some data in real time by using a uicontrol edit box. the box prompt me each value taken from an array (wid...

environ 5 ans il y a | 1 réponse | 0

0

réponse

Question


how can I do PCA on a table ?
I have a 3000 x 18 table containing 18 variables (one per column) of both numerical and categorical type (6 categorical). I wou...

environ 5 ans il y a | 1 réponse | 0

1

réponse

Question


matrix with mixed data ?
I have some variables of mixed type (categorical and numerical) I would like to build a table or cell array (or a matrix in gen...

environ 5 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
is there a way to obtain peak width after peak detection ?
I know that, thanks. what I wanted to know is whether one could get those values without doing the peak detection again but I ...

environ 5 ans il y a | 0

Question


is there a way to obtain peak width after peak detection ?
I have used the function findpeaks to detect spikes in a signal however I have initially used the halfprominence as width-refer...

environ 5 ans il y a | 3 réponses | 0

3

réponses

Question


measure time from fft spectrogram
trying to convert the time scale of a signal visualized on a spectrogram in sec/msec. the spectrogram has been calculated using...

environ 5 ans il y a | 1 réponse | 0

1

réponse

Question


medfreq with delta-F threshold ?
I am using the medfreq function to extract fast freq changes (few ms) in a sinewave signal. The function seems to work pretty we...

environ 5 ans il y a | 1 réponse | 0

1

réponse

Question


how to set RBW while using medfreq ?
Is there a mathematical/precise way to calculate an optimal rbw (resolution bandwidth) while using the command medfreq to calcul...

environ 5 ans il y a | 1 réponse | 0

0

réponse

Question


simple formula to remove rows with repeated values in N x 2 matrix
I have a set of XY coordinates in a N x 2 matrix I would like to remove those pairs in which X values are the same I do not w...

plus de 5 ans il y a | 1 réponse | 0

1

réponse

Question


measure event duration in spectrogram
How could one measure the duration of an event in seconds based on spectrogram data and related parameters (nfft, overlap, Fs) ?...

plus de 5 ans il y a | 1 réponse | 0

0

réponse

Question


how to import gstreamer input in matlab
I am trying to stream a video over TCP in matlab. I have a raspberry pi streaming a video using Gstreamer (ver 1.0) and a laptop...

plus de 5 ans il y a | 1 réponse | 0

0

réponse

Réponse apportée
Gstreamer 1.0 error for Matlab 2018b
Hi Prospero I am trying to import a video stream from gstreamer in matlab. Could you share the code on how to do that ?

plus de 5 ans il y a | 0

Question


chirp generation in for loop
Perhaps someone could help. I would like to generate a sinewave function with frequency modulations at given time points (timest...

plus de 5 ans il y a | 1 réponse | 0

0

réponse

Question


How can I loop fread through the same data file multiple times ?
I have a large binary related to 1 hour recording from 16 electrodes (each of them part of a "pair"). The binary data has in the...

presque 6 ans il y a | 1 réponse | 0

0

réponse

Question


extract bands from spectrogram to measure frequency excursions
I would like to measure the length of frequency excursions from spectrogram chirp data. here is my spectrogram. [spec,f...

presque 6 ans il y a | 1 réponse | 1

0

réponse

Question


How to bin xcorr data ? (averaging time series of binary data into larger bins for cross-correlation analysis)
Hi, I have two arrays (time series) - z1 and z2 - related to recordings from 2 different channels. Their size is 1x59898. I am u...

presque 6 ans il y a | 1 réponse | 0

0

réponse

Question


How to loop fopen/fread/fseek to analyze large binary files in shorter segments ?
I have a large bin file (10Gb) which contains binary data from 16 channels in a single array, plus one value for the time variab...

presque 6 ans il y a | 1 réponse | 0

1

réponse

Charger plus