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Making polar plots in dB with the most negative value in the center !
Alternatively, you can subtract the most negative dB value from the rest, then scale the radius grid lines -- Perhaps somethi...

2 months ago | 0

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Answered
Linux ubuntu 22.04 lts videoreader h265
This is not something I have ever needed to do, however I found some resources: [How To] Install H.265 HEVC codec on Ubuntu and ...

3 months ago | 0

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Help to plot a graph using the data file
Perhaps something like this -- writematrix([0:10; sin(2*pi*(0:10)/20)].','Your_Data.csv') % Create File Data = readma...

3 months ago | 1

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How do I apply the same operation on vectors of different length but of similar name?
Cell arrays do not require vectors of equal length. I am not certain what your actual problem is, however something like this...

3 months ago | 1

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How to do MATLAB update, when root owns the install, but isn't the licensed user?
I have Ubuntu 24.04, and for R2025b used the approach in this Edit. . After that, I just run the update installer. It may b...

3 months ago | 0

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Defining a function in one file and using it in a second file
I would save each of your functions to a separate .m file. That way, they should always have access to each other. NOTE: The...

3 months ago | 0

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Sorry, my English is so bad. Version R2025b: Briefly: The ‘print’ command for easily printing an .m script is missing from the menu. This needs to be fixed. Thank you.
It should be in the 'Editor' tab ... It opens a 'Print to PDF' popup when I click on it. That eventually displays a preview...

3 months ago | 0

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How to find rates of return to baseline after peaks, in temperature data over long timecourse?
This calculates all the cooling rates that my findpeaks call can identify, then plots a few of them at the end. I did not exa...

3 months ago | 0

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Movmedian with non-uniform sample points
Your movmedian call is operating along the second dimension, that being 15. The documentation could definitely be improved, s...

3 months ago | 1

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New computer and Upgrades to MATLAB toolboxes
Check the MATLAB Help Center. It may have all the information you need.

3 months ago | 0

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2d density map in non rectangular region
It would help to have your data, since I cannot reproduce those curves here. Try something like this -- n = 50; a = linspa...

3 months ago | 0

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Syntax error when dividing by a matrix variable
The additional period (or decimal point) may be confusing the interpreter. q=(R*sin(theta))./(1-cos(theta)*cos(t).); ...

3 months ago | 0

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pcolor plot: how to scale the smoothing differently in x and y directions
I am not certain that what you want to do is possible. The closest I can get is slightly to interpolate your data and then us...

3 months ago | 0

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How can I make 3d shaped graphs?
That depends on what you want to do. See: surf, plot3, mesh, contour3, isosurface, and others, in the Surfaces, Volumes, and...

4 months ago | 1

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polar/plot incompatibility
The original coordinate system predominates, and the subsequent plot call respects that.. You are plotting two points, and . ...

4 months ago | 1

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How can I extract the time length (in miliseconds) between two audio signals?
Considering the nature of this problem, probably the best option is to estimate the signal envelops with the Signal Processing T...

4 months ago | 0

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Correcting effects of Humidity on sensors
What sort of correction do you want to do to your data? Do you also have the humidity data? Are there any published ways t...

4 months ago | 0

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Making a table from data using rec
Apparently, 'rec' is not a funciton. Here it is simply a vector. I am not certain what 'R' is doing other than keeping a cou...

4 months ago | 1

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Approach to computing statistics on a latitude/longitude grid
It would probably be best to use Mapping Toolbox functions for this, since on a world map, the latitude and longitude distances...

4 months ago | 1

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representation of a cell array in 2025b
One option is to use the '{:}' representation to see the contents -- Names = {{'abc'},{'def'},{'ghi'},{'jklmnop'}} Names{:} ...

4 months ago | 0

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Weird LaTeX result of $\tilde{}$ in R2025b version.
That appears to be what the interpreter now defines as '\tilde'. I thought it might be defaulting to '\widetilde' , however th...

4 months ago | 0

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Answered
Gibbs-like behaviour with lowpass on long signals
Your code and results appear to be appropriate. The only change I made here was to add 'ImpulseResponse='iir'' to the lowpass...

4 months ago | 1

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Answered
How i can measure magnitude and phase angle of a given waveform? or how i can measure phase difference of two sinusoidal waveforms? please help me
See: Signal Fitting with sine curve (and how to find out the phase shift?) for one approach to this problem.

4 months ago | 0

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Answered
Issues creating a scatter graph
Use curly braces {} to access data in a table -- Depth= A{:,4}; Magnitude= A{:,5}; That also avoids using the table2array ca...

5 months ago | 0

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Trying to figure out a algorithm to filter out some data, since I dont have any additional toolbox.
The filloutliers function is a core MATLAB function (no toolboxes required) introduced in R2017a. Using it on your data -- ...

5 months ago | 0

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Answered
I know line 4 goes wrong,but I don't know how to correct it. If anyone know it,I firmly hope to get your advice.
Your code looks correct to me. You set the initial condition to be 'y(0)==2' and that is what dsolve returned: From the plot,...

5 months ago | 0

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Plot serial time data from excel file
Your data does not look like the data in the image file. I made some changes (additions) to your code to plot only the 't' an...

5 months ago | 0

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How to I plot a graph from this data
Use curly braces {} to get datafrom a table -- Radius = A{:,1}; Density= A{:,2}; VPV= A{:,3}; VSV= A{:,4}; QK= A{:,5}; QM...

5 months ago | 1

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Answered
Read Excel file in Matlab and plot data
Use curly braces {} to access data in a table. data = readtable('HUAM1709.041_v2.xlsx') % return T = data{:,1}; T = second...

5 months ago | 0

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MATLAB 2025a new fonts. How do I use them.
I do not have that font in Ubuntu 24.04, MATLAB R2025b. You can select whatever font you like in the various MATLAB settings ...

5 months ago | 0