Star Strider
Hic sunt dracones! PROFESSIONAL: Physician (M.D.): Diplomate of the American Board of Internal Medicine; M.Sc. Biomedical Engineering: Instrumentation, Signal Processing, Control, System Identification, Parameter Estimation NON-PROFESSIONAL: Amateur Extra Class Amateur Radio Operator; Private Pilot, Airplane Single Engine Land, Instrument Rating Airplane; Gamer NOTE: I do not respond to emails or personal messages, unless they are about my File Exchange contributions. Time Zone: UTC-7 (Standard); UTC-6 (Daylight Savings/Summer)
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Plotting images in Matlab 2026a
I am not certain what you want, however one option is to use surf and then rotate it with the view function. Also, 'interp' mig...
ein Tag vor | 0
Can I download documentation for matlab 2025b?
The Archived MathWorks Documentation page indicates that you can access the R2025b documentation here. I do not recommend dow...
6 Tage vor | 0
Error while outputting graph
You were not calling subs correctly. I added the necessary additional arguments, and it now seems to work. Try this --- sy...
6 Tage vor | 1
How to find start and end points of signal in data file?
Another way would be to calculate a suitable threshold, find the index or time values at the points where the signal crosses the...
13 Tage vor | 2
oscillometric waveform envelope for mean arterial pressure estimation
I detrended this manually, using a biexponential fit to the data, and subtracting it from the data, then filtering that result. ...
17 Tage vor | 0
Simulink will not open from MATLAB
This is what I see -- The icon for it seems to be clearly visible on the top toolstrip for me. ^ HER...
22 Tage vor | 0
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My question relates to signal processing.
It would help to know when the different feeds occurred. It's impossible for me to determaine anything from the data alone. ...
24 Tage vor | 0
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24 hour time line plot for discrete data
The contourf function can get you there. You can choose the appropriate colormap or create your own. Try something like this...
28 Tage vor | 0
Importing space-delimited files where there are spaces in data fields
It depends what you want. The first three variables are doubles without spaces. It is possible to get the variable names from ...
28 Tage vor | 0
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Signal is noisy and needs filtering
You first need to filter the incoming signal with a lowpass Bessel filter (anti-aliasing filter) in hardware with a cutoff frequ...
etwa ein Monat vor | 0
Execution of script mpower as a function is not supported
You most likely have a script you saved as mpower.m. Do something like this to determine that -- which mpower -all Your r...
etwa ein Monat vor | 1
Error "Unable to perform assignment because the indices on the left side are not compatible with the size of the right side"
I could not replicate your error. This seems to work -- % dy(1)=2*y(1)+y(2)+5*y(3)+exp(-2*t) % dy(2)=-3*y(1)-2*y(2)-8*y(...
etwa 2 Monate vor | 1
| akzeptiert
Unable to download the "MATLAB R2026b prerelease" version?
Check the MathWorks Status page. Currently in the U.S., everything seems to be operating normally.
2 Monate vor | 0
Why can't I use a toolbox that appears to be installed?
One possibility is a path problem. Run these, then run your commands to see if it is -- restoredefaultpath rehash toolbox...
3 Monate vor | 0
Turn off dark mode on web
In MATLAB Online, first, go the the 'HOME' tab, then in the top toolstrip in 'ENVIRONMENT', click on the 'Settings' icon. This ...
3 Monate vor | 0
starting matlab after intall on linux
'Debian' without the version number is a bit ambiguous. See: MATLAB R2026a System Requirements for Linux to be certain you ha...
3 Monate vor | 0
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STFT for state of polarization data
I am not certain what you might be looking for in your data. I would use the pspectrum function witth the 'spectrogram' optio...
3 Monate vor | 0
It wants probability of a copier
It would seem that the probability of a defective copy is simply the number of defective copies per total copies (assuming that ...
4 Monate vor | 0
add hours to timetable time cell array
Try something like this -- A = {{'2026-05-23 09:55'} 271 {'2026-05-23 09:50'} 265}; T1 = cell2...
4 Monate vor | 0
I need to apply a nonlinear fit to chemical system data
See if the approach in Parameter Estimation for a System of Differential Equations does what you want. This assumes that you...
4 Monate vor | 0
Count number of true statements in a sequence until false, then check for the next true and repeat
Using strfind -- V = [0,0,0,0,0,0,1,1,1,0,0,1,1,1,1,1,1,0,0,0,1,1,1,1] == 1; V2 = [false V false] ...
4 Monate vor | 1
help with XYZ data file
You may only need to use reshape (with the same last two arguments) on each of the vectors, rather than using scatteredInterpola...
5 Monate vor | 0
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Best way to fit functionals with error bars
That depends on what the error bars indicate, and the information you have about them. A common way of weighting a regression...
5 Monate vor | 0
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Trying to create a referenceEllipsoid for a fantasy exoplanet. How do I get a valid value for input number 1, 'name', that is not on the list of referenceEllipsoid values?
The only reference I can find for 'darodar' has to do with a spam referrer. (Perhaps choose another name?) That aside, if 'd...
5 Monate vor | 0
Plot not showing anything with too many NaNs
You will most likely need to Contact Support for this problem. Include the URL of this thread in your note to MathWorks so yo...
5 Monate vor | 1
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Why am I getting error "too many input arguments" when using referenceEllipsoid and oblateSpheroid?
All the values apparently must be assigned as properties of the original objects after creating each, rather than passed as name...
5 Monate vor | 0
Axis not held using hold command in plot3
It would be nice to know what the point values are, and if you are restricting the axes in some way by using xlim, ylim, zlim or...
5 Monate vor | 0
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how can i do FFT analysis in MATLAB R2025b ?
That depends on what you want to do. I created this function to do preliminary Fourier analyses on signals with a corresponfd...
5 Monate vor | 0
Please help me to run this simple relation
Probably the easiest way to do this is with a surf plot. Here, I combined it with a contour plot as well, using the surfc funct...
5 Monate vor | 0
When plotting 3D graphs in MATLAB, can the x and y axis labels be made flush with the x-y plane, as shown in the figure below?
@Bruno Luong came up with something similar (How can I rotate the axes' labels parallel to the orientation of the axes?) in 2023...
5 Monate vor | 1
