Mike Croucher

Last seen: Today | Aktiv seit 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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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...

etwa 18 Stunden vor | 0

Beantwortet
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...

5 Tage vor | 0

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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...

6 Tage vor

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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...

15 Tage vor

Beantwortet
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...

21 Tage vor | 0

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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...

22 Tage vor

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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 ...

etwa ein Monat vor | 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...

etwa ein Monat vor | 2

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Frage

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?

etwa ein Monat vor | 2 Antworten | 3

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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 Monate vor

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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 Monate vor | 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 Monate vor | 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 Monate vor | 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 Monate vor | 2

Gelöst

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.

2 Monate vor

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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...

2 Monate vor

Beantwortet
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 Monate vor | 0

Beantwortet
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 Monate vor | 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 Monate vor | 0

Beantwortet
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 Monate vor | 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 Monate vor | 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 Monate vor | 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 Monate vor | 1

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NumPy in MATLAB
I've been a user of Python for almost as long as I've been a user of MATLAB and am very comfortable with both ecosystems. As...

3 Monate vor

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20 years of supercomputing with MATLAB
While prepping for the SC24 supercomputing conference with the rest of the MathWorks crew I idly wondered when Parallel...

3 Monate vor

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Linear Programming, the HiGHS Optimization library and MATLAB
What is linear programming?Linear programming (LP) is a mathematical method used to determine the best possible outcome...

4 Monate vor

Gelöst

Return area of square
Side of square=input=a Area=output=b

4 Monate vor

Gelöst

Add two numbers
Given a and b, return the sum a+b in c.

4 Monate vor

Gelöst

Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

4 Monate vor

Gelöst

Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

4 Monate vor

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