Mike Croucher

Last seen: Today | Con actividad desde 2021

Followers: 40 Following: 6

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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Looking for linear system Ax=0 precision improvements
I'm not an expert in this type of thing so take the following with caution but perhaps try vpa to give more precision? Somethin...

4 días hace | 0

Respondida
How to run a MATLAB file without opening the MATLAB GUI?
You need to wrap your script in a run command. I also suggest using the newer, -batch switch "C:\Program Files\MATLAB\R2024b\bi...

5 días hace | 1

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Respondida
Code generation between r2024a and r2024b
Sorry to hear that you are having problems. It is highly unlikely that anyone in this forum is going to be able to help you with...

7 días hace | 0

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Respondida
How to make ode45 store/return only results of every n-th time step to reduce memory use?
I would suggest trying the new ode interface The new solution framework for Ordinary Differential Equations (ODEs) in MATLAB R20...

11 días hace | 0

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TODO/FIXME Report in R2024b
This function was removed in R2024b. It has been unsupported for a long time. If you open R2024a, for example, and do help dof...

11 días hace | 0

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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...

12 días hace | 1

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Respondida
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 ...

12 días hace | 0

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

12 días hace | 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...

14 días hace | 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...

18 días hace | 0

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Publicado

On love and research software: Sharing code with your Valentine
I've been sharing mathematical equations with some sort of connection to Valentine's day for a long time now. Indeed, the...

18 días hace

Publicado

How to run local DeepSeek models and use them with MATLAB
Almost immediately after the DeepSeek-R1 AI models were made available to the world, people started asking how you can use...

28 días hace

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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...

alrededor de 1 mes hace | 0

Publicado

Visualizing yesterday’s earthquake in Boston using MATLAB and a Raspberry Shake
During an online meeting with my colleagues in Boston yesterday, some of them were rather startled when their offices...

alrededor de 1 mes hace

Respondida
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 ...

alrededor de 2 meses hace | 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...

alrededor de 2 meses hace | 2

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Pregunta

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?

alrededor de 2 meses hace | 2 respuestas | 3

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Publicado

Debugging support in the MATLAB extension for Visual Studio Code
Since its April 2023 launch, the MATLAB extension for Visual Studio Code has been extremely popular with over 329,000...

2 meses hace

Respondida
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...

3 meses hace | 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...

3 meses hace | 1

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Respondida
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...

3 meses hace | 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...

3 meses hace | 2

Resuelto

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

3 meses hace

Publicado

Solving Higher-Order ODEs in MATLAB
In a comment to last year's introduction to the new ODE solution framework in MATLAB, Ron asked if I could provide an...

3 meses hace

Respondida
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...

3 meses hace | 0

Respondida
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...

3 meses hace | 0

Respondida
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 ...

3 meses hace | 0

Respondida
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 meses hace | 1

Respondida
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 meses hace | 1

Respondida
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 meses hace | 0

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