Star Strider

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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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How do I export data to a file?
If the data are in a matrix that are assigned to one or more variables, first use the save function to save t he variables to a ...

1日前 | 0

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Failed to run matlab gui in Fedora 42
See: Linux System Requirements I do not see Fedora listed (and I am sufficiently new with Linux that I do not understand how...

3日前 | 0

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installling matlab 2023b in unbuntu 24.04
MATLAB R2023a does not suport Ubuntu 24.04. It does support Ubuntu 22.04 and some earlier releases. Check the Platform Roadm...

6日前 | 0

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I'm new to matlab i want to estimate kinetic parameter from experimental data.
If you have defined your own objective function, one option is: Parameter Estimation for a System of Differential Equations. ...

6日前 | 0

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I am running Ubuntu 24.04 and can not intall any matlab before version R2024b
According to the System Requirments for R2023a, the latest Ubuntu release it supports is 22.04. Only MATLAB R2024a and R2024b s...

6日前 | 0

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Problems encountered when using sph2cart
Your data do not vary much. Also, what are the uints for ‘angle_phi_theta’ ? They appear to be more like degrees than radians ...

7日前 | 0

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How to download the older release R2024A of MATLAB for Linux (RHEL 9)?
When I installed R2024b on this laptop (Ubuntu 22.04.05 LTS) recently, I first went to Download Products and then let the insta...

8日前 | 0

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how to print a table with hearders all aligned to the center of each column
The easiest way is to use a table array. x =1:5; y= x.^2; z = x*20; xyz_table = table(x(:), y(:), z(:), VariableNames={'x-...

8日前 | 0

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yticks function gives error with subplot function
You probably have a variable named ‘yticks’. Run this in a script or your command window — which yticks If you get anythin...

13日前 | 0

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Got error in resample function
An alternative approach could be to creeate a timetable and then use the retime function — load handel.mat y = y(:) Fs = 819...

13日前 | 0

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replace NaN value without disturb or remove important peak
One option is to use the fillmissing function and then plot the filled segments appropriately — M1 = readmatrix('41679.2500000...

13日前 | 0

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how can I add a point in figure?
Probably the easiest way — figure % surf(...) % view(0,90) hold on plot3(70.00, 0.30, 1, 'sr', MarkerFaceColor='r') hold ...

14日前 | 0

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I am getting the error as " Not enough input arguments " and " Failure in initial objective function evaluation. FSOLVE cannot continue". Please suggest me possible solutions.
Note that ‘F’ is the output of ‘root2d’, however ‘F’ is nowhere defined as a calculation result in that code: function F = roo...

15日前 | 0

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I need to rotate my 3D figure
It would be easier to use patch for this. Try something like this — % clc,clearvars, % close all % Example X and Y data...

17日前 | 1

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How can i solve 3 parameters of Weibull distribution under with initial data? like nonliear equation? Or do we have any method for estimate 3 parameters distribution from fail
The Statistiics and Machine Learning Toolbox norrmally fits a two-parameter Weibull distribution, howeer fitting a three-paramet...

20日前 | 0

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True Amplitude of the FFT of accelerometer data?
You apparently want your ‘time’ vector to be in milliseconds, however you do not convert it to milliseconds. This approach co...

20日前 | 0

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Correct way to calculate the dominant frequency of time series signal?
If you want to see how the frequencies evolve over time, use the pspectrum function (or spectrogram, however spectrogram returns...

20日前 | 0

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How can i use two seperate functions to give one output?
That depends on what the function arguments are, and what ‘one output’ is. A bit more detail would help significantly! Exa...

22日前 | 1

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Can I get notification when a new version (e.g., 2025a) is released?
I ususlly get e-mails about new releases, however they are usually several days after a release is actually available. I’ve fou...

23日前 | 0

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How can I fill the area under the data fully?
I am more familiar with patch than area, so I went with what I’m good at. I replaced the area call with: Lv = ~isnan(EY1); ...

26日前 | 1

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why does this not work?
need to separate the elements of the array (that I changed to a cell array here). Then, it works — x = {'0:07.50' '2:03.91...

26日前 | 1

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Filtering Noisy GPS Altitude
Filtering the data might be your best option, unless you can determine the causes of the discontinuities and fix that. There ...

27日前 | 0

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yyaxis limit for lines in one graph
I doubt that it is a limitation, simply yyaxis doing its best to make the lines distinct. You can specify them yourself with th...

27日前 | 0

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how can I convert linear figure's axis to logarithmic?
I am not certain what the problem is, however you can change the ruler properties with the Exponent property. N = 100; x = l...

27日前 | 0

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Finding one real solution with vpasolve
When in doubt, plot the function. Doing that here reveals that it appears to be zero at only one point, that being 0. % Pa...

28日前 | 0

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How to determine which of several vectors is larger?
One approach to getting the maximum number of elements and the index — ATime = linspace(0, 1, 1000).'; BTime = linspace(0, 1,...

29日前 | 0

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how can I save a variable to an excel file?
Try something like this — ST_normalized = complex(randn(10,1), randn(10,1)) writematrix([real(ST_normalized), imag(ST_norma...

29日前 | 0

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Assistance solving unknowns in transfer function?
I would use the partfrac function — syms s H = 8/((s^2+4)*(s+1)*(s+4)) Hpf = partfrac(H) You will likely need to inter...

約1ヶ月前 | 1

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Convert chars into formatted numbers
I am not certain what result you want. Try something like this — % ... Parse the .header file to get variable names (.Names...

約1ヶ月前 | 0

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Excel Data preprocessing from a scattered one into an organised table
I am not certain what result you want. This approach first eliminated columns that are completely empty, then eliminates the ...

約1ヶ月前 | 0

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