MATLAB QUESTIONS & EXPERT ANSWERS

Ask an expert. Trust the answer.
Your academic and career questions answered by verified experts.

Illustration
Why Cross Correlation (xcorr) of Two simultaneously Recorded Audio Signals Always return randomly different lags?
ishitaisha6840 - 2021-02-18

Hi everyone! I'm working on a sound localization project in which I record two audio  signals simultaneously and then take their 'cross correlation' ...

matlab which filtfilt function handles filter objects
Rebekah - 2021-02-18

According to matlab's filtfilt documentation, it can receive several arrays (depending in which representation; a-b, sos-k-g; you are using) and a fi...

How do I record the entire row of a matrix if it has a peak value in the third column?
Tanner - 2021-02-18

I have a 3 column matrix, xyK, that contains x and y coordinates and the value of curvature at each of those coordinates. I'm trying to find the peak ...

Find quasi-periodic peak locations from noisy photon count data
yun-hun-jmai - 2021-02-18

I am trying to find the method of locating the gaussian peaks from the photon count data. x axis is the number of photons for each spot and y axis is ...

Why is noise required to get expected Magnitude Squared Coherence (mscohere)
Anwaruddin - 2021-02-12

I am missing something with magnitude Squared Coherence and/or its algorithm. If two signals are compared without or with little noise I get unexpecte...

How to use 'idfrd' system object as a channel model in simulink
Oscar - 2021-02-12

I have created an idfrd object using measured frequency response data (using Magnitude/Angle measurements). Now I want to incorporate this data into a...

Savitsky-Golay Filter Problem - Smoothing 3D line
Victoria - 2021-02-12

I wanted to smooth a 3d line using the Savitzky-Golay filter, but for this example is seems to not work properly. Any ideas why, and how to fix it?  ...

Removing spikey data from a sensor readout.
Lucy-sam01 - 2021-02-12

I have a loop which reads out a sensor, once in a while the data is completely off, and gives a spike. I would like to remove those spikes.   The dat...

spectrogram error in matlab
Matilda - 2021-02-12

Hello, I am trying to plot a spectrogram using MATLAB at home but I am getting the following error:   Undefined function 'spectrogram' for input argu...

converting a horizontal matrix to vertical
Su-chen-christine-lim - 2021-02-11

Hello. I am trying to convert a 100*2  matrix to 2*100 matrix. I appreciate if you give me any idea. The reason is I need to find the pick of negativ...

Get a Free Consultation or a Sample Assignment Review!