Discussion

Intel Mac not supported as of R2026a :(
As of R2026a, only the Apple Silicon series is supported. My Intel Mac dates to June 2020; the M1 series was released in Novemb...

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How do you handle 24h Simulink simulations with Simscape/Specialized Power Systems?
You use a discrete step time of 5e-6. You have a final time of 24 hours, and want to run it in "a few hours", which for the sake...

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heLP
If you have the Image Processing toolbox, then you can use montage

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Discussion

anniversary of The Great Outage
We are nearly at the anniversary of The Great Outage, May 19 2025 to May 27 2025. At the time, many Mathworks services were down...

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What errors can be found on this script?
scatter(study_hours, exam_scores) % <-- Modify this to customize the markers You failed to customize the markers. The near-lin...

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can thingspeak support http (not https) I have a simple modem that cannot support SNI, TLS so need plain http
https://www.mathworks.com/help/thingspeak/thinghttp-app.html URL Enter the address of the website or the web service that you ...

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hallar la solucion de
syms X1 X2 X3 eqns = [2*X1 + 4*X2 + 6*X3 == 18 4*X1 + 5*X2 + 6*X3 == 24 3*X1 + X2 - 2*X3 == 4] sol = solve...

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6G toolbox installation R2021b
No. The 6G toolbox does not exist yet. https://www.mathworks.com/discovery/6g.html The 6G Exploration Library https://www.m...

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new date in Certificate
You probably need to retake the certification. Because Mathworks is an evolving language, you certify against a particular rel...

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How can we make the following spectral relaxation code to run?
The actual error message is Error using * Incorrect dimensions for matrix multiplication. Check that the number of columns i...

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How to transfer Matlab command history from version R2014b (uses history.xml in predir) to R2025b (already tried copy and paste history.xml file method)?
There is a migration tool; see https://www.mathworks.com/matlabcentral/answers/2179748-how-do-i-migrate-my-command-history-data-...

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Only version 2026a appears available for download as a trial. I want version 2025b
Trials for previous versions need to be arranged through Mathworks Sales. Note: R2026a and later do not support Intel Mac.

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Why is Preallocating arrays important in MATLAB, and how does it improve performance compared to dynamically growing arrays?
There are a few cases in which MATLAB semantics would potentially allow some variables to be grown in place, but much of the tim...

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Can you get matlab to add a really small number to a big number and retain precision
p = sym(-1e17) + sqrt(sym(1e34) + sym(1e18)) vpa(p, 30) The problem with doing vpa(-1e17 + sqrt(1e34 + 1e18)) is that when you...

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How can I verify that the roll-off factors (0.15, 0.10, and 0.05) are correctly implemented in the dvbs2xWaveformGenerator function?
I do not have access to the Satellite Communications Toolbox, so I cannot give specific answers. There is the possibility that ...

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How can I generate a License Report?
It is possible to create a license usage report by analyzing the output of lmstat https://www.mathworks.com/help/install/ug/netw...

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Best practices for MATLAB code
There is no equivalent to the C preprocessor in MATLAB. The C pre-processor can do some ugly things, such as #ifdef __CPLUS ...

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when i install the matlab then i chnage the lisence name shann into shanni kumar and when i compeletd the installtion process the matlab show me the line licence not match
The name used for license purposes needs to be your windows username. Your windows username probably does not have a space in it...

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How to add one extra seat for a different computer on an existing license?
You would need to purchase a second Home license. Potentially, the second Home license would be listed under the same "master ...

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Home License in 2026
There is no longer any option to purchase a Perpetual Home license or a Perpetual Student license. The new annual price for Hom...

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Generating .NET Code for usage without Matlab Runtime
Sorry, there is no way to generate C# code at present. I have no information as to whether Mathworks is working on a C# code ge...

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Looking for addon name
That is likely https://github.com/isablanca/Power-System-Analysis-Toolbox/

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2 area bus system
Possibly https://github.com/Realife-Brahmin/PowerSystems-Analysis-Stability-WSU which includes ieee11: Kundur's 2 Area 11 bus s...

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unrecognized date format from "dir" command for french users with july month
Instead of using the date field returned by dir(), you can use the datenum field Target = '/'; datetime([dir(Target).datenum],...

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how to convert table to matrix?
table2array() . Or, if the table is all numeric, you can give the table name and then {:, :} such as mytable{:,:}

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Undefined function 'imhistc' for input arguments of type 'uint8'.
imhistc is a mex file that is installed as part of the Image Processing Toolbox. If it is not found, first experiment with re...

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Why is Jaaba stuck open on MATLAB online?
Follow the instructions at https://www.mathworks.com/matlabcentral/answers/520496-matlab-online-stuck-at-loading-screen#answer_4...

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Even though I followed Matlab instruction, I cannot update it.
R2026a Pre-release licenses expire within a small number of days, because the actual R2026a release is due to be launched within...

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Please i need to make the color of the run code figure similar as the color of the attached figure.
There are a couple of possible ways to make the color of the figure the same as what you attached: you can draw some extra obje...

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How to download Matlab 2020b, I cannot find it on dowloads.
If all you can see at https://www.mathworks.com/downloads/ is the very latest version of MATLAB, then that typically indicates t...

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