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How do I plot a sine wave with markers?
% Define parameters f = 2; % Frequency in Hz t = linspace(0, 1, 30); % Time vector (30 points from 0 to 1 sec...
1 day ago | 0
How to use fprintf with cell arrays in MATLAB R2026b
Example: % Your 2D cell array data = { 'Alice', 24, 'Engineer'; 'Bob', 30, 'Doctor'; 'Charlie', 22, 'Student'...
4 days ago | 1
how can i upload my training data for matlab2026B deep learning toolbox
In MATLAB R2026b, the standard workflow for importing data and training networks in the Deep Network Designer has changed, and u...
4 days ago | 0
make ppt of figures
Answer from AI: Option 1: The Official MATLAB Way (mlreportgen.ppt) This method does not require external third-party tools;...
7 days ago | 0
Hi , I have 1 hour power output data for a Pv powerplant one day. I would like to convert it into 15 min data. I imported the raw data through an excel file into the matlab li
Answer from AI: % 1. Create dummy 1-hour data for one day (24 hours) % Replace 'hourly_power' with your actual PV power data a...
7 days ago | 0
error from command window as the codes involves local functions
The code gives no error message when executed here (see above). Could you explain in more detail what you mean by "am getting ...
7 days ago | 0
How can I decrease the font size in Matlab windows
Answer from AI: To decrease the font size and maximize the number of lines visible in your MATLAB Command Window, you can adjus...
9 days ago | 0
Imshow magnification in docked figures - potential bug?
From the documentation: Initial magnification of the image display, specified as a numeric scalar or "fit". If set to 100, then...
11 days ago | 1
| accepted
How can I find a set of numbers in a larger set of numbers
For speed, it's important to know in advance how long your vector A is , and if its first number appear frequently or rarely ins...
11 days ago | 0
I am updating MATLAB 2026a to 2026b, why I receive the message "All selected products are already installed."?
If you still have problems after trying one of the following methods, contact official MATLAB support: https://uk.mathworks.com...
18 days ago | 0
How to activate Reference condition "Body-Fixed" at Reference frame for Flexible Beam?
The question is very specific - chances are low that forum members can answer it. I'd contact MATLAB support: https://uk.math...
23 days ago | 0
| accepted
Four mode EMS simulation circuit for presentation
Answer from AI: Here are the two simplest and most common ways to retrieve the exact library path programmatically or using the...
27 days ago | 0
I am experiencing a login issue with ThingSpeak.
Answer from AI: The NS_ERROR_REDIRECT_LOOP error (or too many redirects) occurs when ThingSpeak and MathWorks authentication sy...
28 days ago | 0
Loss of functionality for multiple figures with linked subplots in 2025+
I'm not sure - maybe this is of help in your case: To revert MATLAB's modern figure windowing, layout, and docking behavior (in...
28 days ago | 0
Cannot change support package to the "program files" directory
Answer from AI: The problem is that the MATLAB function matlabshared.supportpkg.setSupportPackageRoot strictly forbids spaces a...
1 month ago | 1
| accepted
Matlab Python Engine freezes if a matlab script is running
Answer from AI: The reason for this behavior comes down to MATLAB’s single-threaded architecture and how the matlab.engine comm...
1 month ago | 0
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What type of radar is used in the RF Blockset example “Design and Simulate Monopulse Tracking System”: pulsed or continuous wave?
Answer from AI (without warranty): The Design and Simulate Monopulse Tracking System example in MATLAB and the RF Blockset is b...
1 month ago | 0
| accepted
Equating opposite edges in a repeating magnetostatic PDE problem.
Not easy since the PDE Toolbox doesn't support periodic boundary conditions. I'm also not sure whether equating the solution ...
1 month ago | 0
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FLexlm feature name Real-Time_Workshop is invalid for using flexlm tool to return license early
Answer from AI: The Flexera (FlexNet) error you are experiencing happens because the standard lmutil lmborrow command struggles...
1 month ago | 0
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Why is trainlm in train is extremely faster than lm in trainnet options
Answer from AI: The massive speed difference you are experiencing is due to a fundamental mismatch between the network size, th...
1 month ago | 1
MATLAB Academy Task 4 longitude limits are incorrect
Answer from AI: For Task 4 in the MATLAB Academy course, you need to extract the axis limits from the current GeographicAxes ob...
1 month ago | 0
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How much time intersect(A,B) takes?
Answer from AI: In MATLAB, the time complexity of the built-in intersect(A, B) function is \(O(N \log N)\), where \(N\) represe...
1 month ago | 1
MATLAB 2026a figure 3d plot does not show azimuth and elevation angles while rotating with mouse.
If you want first-hand information, contact support: https://uk.mathworks.com/support/contact_us.html This is the answer fro...
1 month ago | 0
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Spurious vertical lines in my time history plots
Answer from AI: This behavior is a known issue in MATLAB usually caused by graphics rendering artifacts (OpenGL) or hardware ac...
2 months ago | 0
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ppz1 and ppz2 parameters failing to fit / be altered.
Including inflation pressure parameters like ppz1 and ppz2 in the fitting process requires a structured approach because they ar...
2 months ago | 0
How to get back former diagram representation
I don't know if this is what you are looking for, but here is the Answer from AI: You can revert the windowing and sizing beh...
2 months ago | 1
How can I round a MATLAB calculation to a specified number of significant figures?
x = [0.004567 0.04567 4.567 45.67 4567]; significant_figures = 3; format long rounded_x = arrayfun(@(m)round_sig(x(m),signi...
2 months ago | 0
Nonlinear Newton solver fails near resonance for porous moonpool model
You cannot stick to the points "T" that you prescribe in advance to compute "eta". If the Newton solver diverges, you should hal...
2 months ago | 0
Topology Optimization - Multiple Loads with a circle
That's how I understand what changes have to be made to the code (although the free upper left zone isn't properly resolved). n...
2 months ago | 1
| accepted
pinv function is supported for dlarray input while the pageinv function is not supported
Answer from AI: As of the latest MATLAB releases, pageinv does not directly support dlarray inputs. Standard matrix inversion f...
3 months ago | 0
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