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...
10 Tage vor | 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...
10 Tage vor | 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...
10 Tage vor | 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 — ...
13 Tage vor | 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 ...
13 Tage vor | 0
| akzeptiert
Extracting data from Fourier spectrum
There are File Exchange contributions that could help you with this: Mueller-Stokes-Jones Calculus and Light Polarization.
13 Tage vor | 1
| akzeptiert
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] ...
13 Tage vor | 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...
14 Tage vor | 0
| akzeptiert
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...
14 Tage vor | 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...
15 Tage vor | 0
| akzeptiert
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...
15 Tage vor | 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 ...
16 Tage vor | 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...
16 Tage vor | 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 = ...
20 Tage vor | 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...
21 Tage vor | 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...
21 Tage vor | 1
| akzeptiert
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...
22 Tage vor | 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...
22 Tage vor | 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 ...
24 Tage vor | 0
| akzeptiert
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...
29 Tage vor | 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. ...
29 Tage vor | 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...
29 Tage vor | 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 ...
etwa ein Monat vor | 0
| akzeptiert
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...
etwa ein Monat vor | 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-...
etwa ein Monat vor | 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...
etwa ein Monat vor | 0
| akzeptiert
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...
etwa ein Monat vor | 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...
etwa ein Monat vor | 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 ...
etwa ein Monat vor | 0
| akzeptiert
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...
etwa ein Monat vor | 0
