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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when installing an add on
You have to create the directory using sudo mkdir. I believe that is all that is required. After that, the installatiion shoul...
19 días hace | 0
Unable to run Matlab r2017a after installation, not desktop shortcut found even in "all apps" section under settings
There could be operating system incompatibilities. See: Previous Releases: System Requirements and Supported Compilers I...
19 días hace | 0
Cannot create or open .m files in Matlab UI.
I doubt any of us on Answers will be able to help you with this. Did your Linux distro update without your knowledge? Do you...
19 días hace | 0
Create a 2D plot with irregular axes
The plot function does not care if the data are not regularly sampled. It wil plot them appropriately regardless. Example — ...
22 días hace | 0
Remove outliers but be careful with end points
The rmoutliers function does not know that the end points are outliers because it has nothing after them to compare with beyond ...
22 días hace | 0
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Extracting data from Fourier spectrum
There are File Exchange contributions that could help you with this: Mueller-Stokes-Jones Calculus and Light Polarization.
22 días hace | 1
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given the function f(x)=X^3 - 6X^2+9X. Find the first derivative of the function of f(x)
Use the polyder function — f = @(x) x.^3 - 6*x.^2 + 9*x; % Anonymouus Function p = [1 6 3 0] ...
22 días hace | 0
How can I change timetable to timeseries?
According to the timeseries documentation, it wants the data values as the first argument, and the time values as the second arg...
23 días hace | 0
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How to expand a matrix and interpolate between values?
This is frustrating. The seconds function should automatically convert the hours to seconds and change the unit as well. T...
23 días hace | 1
closed countour around a given point
This will detect and plot all the closed contours (in addition to a second one at level 12 that does not actually meet the close...
23 días hace | 0
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Legend not working in 2024 as it did in Version 6.1.
Ii cannot get the code to run here. Change the legend call to: legend([hw,hmedw(1),hmeanw(1)], 'Weight','Median','Mean', 'L...
24 días hace | 0
Cell array Filtering when using readlines
Try something like this — % data = % 884×1 cell array data = { ... {[" 190 190.03 190.06 190.09 190.12 ...
25 días hace | 1
I'm having trouble understanding the frequency normalization of the fir1 function regarding how the units match up.
1) The 0 to pi range represents the normalised radian representation of the Nyquist frequency, half the sampling frequency. The...
25 días hace | 0
Full-wave rectified sine wave with gaps
One approach — Fs = 1000; L = 1; t = linspace(0, Fs*L, Fs*L+1).'/Fs; s = abs(sin(2*pi*t)); idx8 = numel(s) / 8; t8 = ...
29 días hace | 0
Combining Similar Time Arrays into a Single Updated Time Array
There are some core MATTLAB approaches for this, depending on the result you want. You would have to convert them to timetabl...
alrededor de 1 mes hace | 0
How we can do sub-plot in one graph ?
With respect to adding element-wise operatioons to your code, use the vectorize function. The note says ‘(Not recommended)’ how...
alrededor de 1 mes hace | 1
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Breaking legend into several parts and moving parts as necessary to prevent overlapping graphed data.
I doubt that it is possible to break up the legend or have more than one legend in an axes object. There are a few options yo...
alrededor de 1 mes hace | 1
Unable to install Add-on in Ubuntu 22.04
I am not certain what the problem may be, however the problems I encountered with MATLAB updates were due to the update installe...
alrededor de 1 mes hace | 0
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 ...
alrededor de 1 mes hace | 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...
alrededor de 1 mes hace | 0
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. ...
alrededor de 1 mes hace | 0
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...
alrededor de 1 mes hace | 0
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 ...
alrededor de 1 mes hace | 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...
alrededor de 1 mes hace | 0
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-...
alrededor de 1 mes hace | 0
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...
alrededor de 2 meses hace | 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...
alrededor de 2 meses hace | 0
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...
alrededor de 2 meses hace | 0
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 ...
alrededor de 2 meses hace | 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...
alrededor de 2 meses hace | 0
