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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interp1() returns a plot with empty sections
The 't' variable seems to be undefined, and we do not have 'grade.xlsx' to work with. If 't' is beyond the limits of 't_grade...
interp1() returns a plot with empty sections
The 't' variable seems to be undefined, and we do not have 'grade.xlsx' to work with. If 't' is beyond the limits of 't_grade...
13 hours 前 | 1
已回答
Perfusionist nurse trying to lear fluids mechanics
I have not seen any posts here on the details of cardiovascular dynamics. I am not certain if Simscape Fluids can help you with...
Perfusionist nurse trying to lear fluids mechanics
I have not seen any posts here on the details of cardiovascular dynamics. I am not certain if Simscape Fluids can help you with...
1 day 前 | 0
已回答
enforce smooth parameter variation in model fit across space
It likely depends on your problem. If it involves integrating a set of nonlinear ordinary differential equations, and if the pa...
enforce smooth parameter variation in model fit across space
It likely depends on your problem. If it involves integrating a set of nonlinear ordinary differential equations, and if the pa...
6 days 前 | 1
已回答
Why am I getting an error installing MATLAB on Ubuntu 24.04
This approach worked for me (Ubuntu 24.04, MATLAB R2025b) -- FIRST: Follow the directions in the MATLAB Installation Help .P...
Why am I getting an error installing MATLAB on Ubuntu 24.04
This approach worked for me (Ubuntu 24.04, MATLAB R2025b) -- FIRST: Follow the directions in the MATLAB Installation Help .P...
7 days 前 | 0
已回答
Issue with InputVisibility for lsimplot
It would probably help to have the omitted parts of your code. What you want to do works here (R2025b). A work-around woul...
Issue with InputVisibility for lsimplot
It would probably help to have the omitted parts of your code. What you want to do works here (R2025b). A work-around woul...
7 days 前 | 0
已回答
I am trying to install MAtlab runtime in ARM processor based jetson Orin Nano in linux. It has supported package for x86 architecture with linux ,is there a compatible MATLAB
You will likely have to contact Mathworks Support (Contact Us) for this. I do not find it listed on the Platform Roadmap for ...
I am trying to install MAtlab runtime in ARM processor based jetson Orin Nano in linux. It has supported package for x86 architecture with linux ,is there a compatible MATLAB
You will likely have to contact Mathworks Support (Contact Us) for this. I do not find it listed on the Platform Roadmap for ...
10 days 前 | 0
已回答
I want to suppress: useCS = logical 1 in command window
Without knowing more about your code or what it is dooing, see if puttting a semicolon (;) at the end of the line that assigns '...
I want to suppress: useCS = logical 1 in command window
Without knowing more about your code or what it is dooing, see if puttting a semicolon (;) at the end of the line that assigns '...
10 days 前 | 0
已回答
I saw R2025b update2 on the download page , but can't receive it in the software notification? Even when I manually check for it.
In the 'MathWorks Bug Report Notification - Customized Product List' notification for 11 Dec 2025, the 'Fix Options' included 'G...
I saw R2025b update2 on the download page , but can't receive it in the software notification? Even when I manually check for it.
In the 'MathWorks Bug Report Notification - Customized Product List' notification for 11 Dec 2025, the 'Fix Options' included 'G...
11 days 前 | 0
| 已接受
已回答
How to use "getkey" correct ?
I am not certain what you are doing. Two options could be waitfor or waitforbuttonpress. There are additional possibilities in...
How to use "getkey" correct ?
I am not certain what you are doing. Two options could be waitfor or waitforbuttonpress. There are additional possibilities in...
12 days 前 | 0
| 已接受
已回答
I am getting the result and graphs of the equation yy1 but not YY2. if I remove the 2nd equation i.e yy2 part then the program is giving result. whenever m adding yy2 part and boundary conditions m getting error.can someone help me?
There is an error somewhere. According to the error, 'bc2D' '... should return a column vector of length 6.' It is returning...
I am getting the result and graphs of the equation yy1 but not YY2. if I remove the 2nd equation i.e yy2 part then the program is giving result. whenever m adding yy2 part and boundary conditions m getting error.can someone help me?
There is an error somewhere. According to the error, 'bc2D' '... should return a column vector of length 6.' It is returning...
13 days 前 | 0
已回答
Big WebGL plotting speed regression
When I ran: rng(0); G = graph(sprandsym(1e5, 1e-4)); plot(G) on my desktop (AMD Ryzen Threadripper PRO 7955WX 16-Cores, NVIDI...
Big WebGL plotting speed regression
When I ran: rng(0); G = graph(sprandsym(1e5, 1e-4)); plot(G) on my desktop (AMD Ryzen Threadripper PRO 7955WX 16-Cores, NVIDI...
14 days 前 | 0
已回答
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...
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...
15 days 前 | 0
| 已接受
已回答
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 ...
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 ...
16 days 前 | 0
已回答
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...
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...
20 days 前 | 1
已回答
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...
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...
22 days 前 | 1
已回答
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...
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...
22 days 前 | 0
| 已接受
已回答
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...
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...
23 days 前 | 0
| 已接受
已回答
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...
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...
23 days 前 | 0
已回答
I'm plotting stress trajectories for simply supported rectangular beam under UDL. Attaching the code and it's output. Help me sort out the error & get correct trajectories.
According to the streamline documentation, 'startX' and 'startY' are supposed to be matrices rather than vectors. Beyond that...
I'm plotting stress trajectories for simply supported rectangular beam under UDL. Attaching the code and it's output. Help me sort out the error & get correct trajectories.
According to the streamline documentation, 'startX' and 'startY' are supposed to be matrices rather than vectors. Beyond that...
24 days 前 | 0
已回答
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...
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...
30 days 前 | 0
已回答
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...
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...
1 month 前 | 1
| 已接受
已回答
New computer and Upgrades to MATLAB toolboxes
Check the MATLAB Help Center. It may have all the information you need.
New computer and Upgrades to MATLAB toolboxes
Check the MATLAB Help Center. It may have all the information you need.
1 month 前 | 0
已回答
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...
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...
1 month 前 | 0
已回答
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).); ...
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).); ...
1 month 前 | 0
| 已接受
已回答
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...
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...
1 month 前 | 0
已回答
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...
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...
2 months 前 | 1
已回答
polar/plot incompatibility
The original coordinate system predominates, and the subsequent plot call respects that.. You are plotting two points, and . ...
polar/plot incompatibility
The original coordinate system predominates, and the subsequent plot call respects that.. You are plotting two points, and . ...
2 months 前 | 1
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 1
