Mike Croucher

Last seen: Today | Active since 2021

Followers: 39 Following: 5

I write The MATLAB Blog at MathWorks and specialize in High Performance Computing, Research Software Engineering and Machine Learning. You can also follow me at BlueSky https://bsky.app/profile/walkingrandomly.bsky.social

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I am looking the instructions page for Online installation.
This forum is largely run by volunteers who are not equipped to resolve installation issues. Since you have paid for the produc...

ungefär 4 timmar ago | 1

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Method to speed up simulation on working station.
In times gone by it was possible to speed up your simulation simply by running on a bigger or newer machine but those days have ...

ungefär 4 timmar ago | 0

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Blade.stl missing from PDE toolbox
If you run the following command in MATLAB openExample('pde/ThermalStressAnalysisOfJetEngineTurbineBladeExample') you'll get B...

ungefär 16 timmar ago | 0

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Algorithm used to implement the function qtdecomp?
There is a description of the algorithm on the documentation page qtdecomp. It says "The qtdecomp function divides a square ima...

2 dagar ago | 0

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Faster Empirical Cumulative Distribution Function (ECDF)
In your original code you didn't define n so I might have got the definition wrong here but since its just a scalar it won't aff...

6 dagar ago | 0

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Inquiry Regarding Minor Variations in MATLAB GPU Computation
It is difficult to comment without seeing the code but the most general thing I can think of saying goes as follows: A calculat...

22 dagar ago | 0

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Difference between RMSE of Curve fitter and calculated RMSE in MS Excel
First, I wanted to confirm your manual calculation of RMSE using the formula you gave but using MATLAB instead of Excel. Here's ...

ungefär en månad ago | 2

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How do I programmatically switch to Dark Mode (Dark Theme) in R2025a?
This is supported from R2025a onwards. This is what you need to do >> s = settings; >> s.matlab.appearance.MATLABTheme.Persona...

ungefär en månad ago | 2

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How do I programmatically switch to Dark Mode (Dark Theme) in R2025a?
I am running R2025a pre-release. What are the commands to switch to dark mode?

ungefär en månad ago | 2 answers | 3

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How do get all of my python libraries in matlab?
Your python environment looks strange to me. I've never seen pythonw.exe used in MATLAB Python environment. It's usually python...

2 månader ago | 0

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Is there a student version of the Aerospace Toolbox?
There is no free student version of MATLAB but there is a version that is heavily discounted. Go to MATLAB for Students - MATLAB...

2 månader ago | 1

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I'm trying to make a simple calculator for circuits. And I can not figure out how to take the answer and limit to only like two numbers after the decimal place.
This page on the documentation will help explain the details: Formatting Text TotalResistance = 186.66; fprintf("The total res...

2 månader ago | 0

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GPU programming for Mac M1
I have an M2 Mac and I have just bought an M4 Mac for my wife. I love the hardware on these machines, its superb! I wrote the bl...

2 månader ago | 2

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Adding Statistics and Machine Learning Toolbox to existing MATLAB
In 2024, the way I'd do this is with the mpm download command on a machine with an internet connection and then transfer the res...

2 månader ago | 0

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Working with big tall arrays in an HPC environment
Hi Sebastian I can't comment on the Tall Array situation right now but I'm zooming in on this comment: I am assigning 37 cores...

2 månader ago | 0

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Why does the validation loss first decrease and then increase after about 7 epochs while the training loss keeps decreasing？
I think you are right, this is an example of overfitting. There is no guarenteed way to fix it but there are several things you ...

2 månader ago | 0

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Vectorized code slower than loops
Another option, if you have the hardware, is to use a GPU. Here, you want to do as much vectorisation as you can. Using my des...

3 månader ago | 1

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Vectorized code slower than loops
I made a couple more modifications and came up with a double for-loop that is fastest. One thing that I'd like to point out her...

3 månader ago | 1

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How can I use the LAPACK implementations included in Apple Accelerate Framework with MATLAB R2024b?
You can switch the BLAS to Apple Accelerate as described in Life in the fast lane: Making MATLAB even faster on Apple Silicon wi...

3 månader ago | 0

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Massive slowdown for Apple Silicon in computing SVD
Hi I have reproduced your times on my M2 MacbookPro using R2024b using both the default BLAS and also the Apple Silicon BLAS as...

3 månader ago | 1

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Modifying arrow length based on intersection with polygon
The polyxpoly function is what you need polygon_x = [-20 20 20 -20 -20]; polygon_y = [-50 -50 50 50 -50]; origin = [...

5 månader ago | 2

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What's the actual difference between versions 'a' and 'b' of MATLAB, other than being 6 months apart?
This question comes up so often that I made a blog post about it What’s the difference between the A and B releases in MATLAB? »...

5 månader ago | 3

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Matlab Parallel Server vs Matlab + Parallel Computing Toolbox
Hi Anglea Parallel Computing Toolbox provides the parallel language (parfor, parfeval, spmd etc) and will allow you to run prog...

5 månader ago | 0

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pandas in matlab using iloc for indexing
Indexing into Pandas data frames in this way is not supported. As of R2024a, you can convert the dataframe to a MATLAB table and...

9 månader ago | 1

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Matlab ODE function solving using Python Scipy library.
@Simon Mwakitabu If you are still interested in this, you can now call the SUNDIALS solver direct from MATLAB. Details at Faster...

10 månader ago | 0

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Using Sundials cvode solver
As of MATLAB R2024a, SUNDIALS is shipped with and supported directly in MATLAB. See my blog post for details Faster Ordinary D...

10 månader ago | 0

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SUNDIALS installation in MATLAB
As of R2024a, There is now SUNDIALS support in MATLAB via the ode interface. This incluldes "idas" Details on The MATLAB Blog: ...

10 månader ago | 0

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Will MATLAB Live editor ever support spellcheck?
I'm happy to tell you all that spellcheck is now supported as of R2024a. I discuss it in the MATLAB Blog here Two of my ‘White W...

11 månader ago | 0

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Support packages in Matlab online (Hyperspectral Imaging Library)
The link that you pointed to, Install Support Packages for MATLAB in MATLAB Online Server - MATLAB & Simulink - MathWorks United...

12 månader ago | 0

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Can i call matlab from fortran?
There is a section in the documentation that covers this. You can get started at Call MATLAB from Fortran - MATLAB & Simulink -...

12 månader ago | 0

Mike Croucher

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