Published

Playing with the R2022b MATLAB Apple Silicon beta for M1/M2 Mac
Update 22nd June 2023: An updated blog post about MATLAB on Apple Silicon can be found at...

2 years ago

Answered
Efficient way of Vectorization
Switch the order of the loops around. It will be faster because you'll be operating on the matrix column-wise test function ...

2 years ago | 4

Published

MATLAB’s High Performance Computing (HPC) and ‘Big Data’ datatypes
Table of ContentsgpuArrays - GPU programming made easy dlarray - Specialised objects for Deep Learning training Tall...

2 years ago

Answered
Macbook arm M1/M2 chip support
Yes. It is in development now. There was a beta released a few months ago that is no longer available Exploring the MATLAB beta...

2 years ago | 1

Answered
How can i plot this function? y=0.75/(log10(x)*2).^2
How about this? x = linspace(0.01,0.99,100); % Avoid tricky inputs like 1 y = 0.75./(log10(x)*2).^2; plot(x,y)

2 years ago | 0

Answered
Why aren't the first and last peaks detected using findpeaks()?
For vec1, the reason is that the peak is also the last data point and so is intentionally exlcuded. The findpeaks documentation...

2 years ago | 1

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Answered
sin(2*pi) vs sind(360)
If you ever need to compute sin(x*pi) or cos(x*pi), its better to do sinpi(x) or cospi(x). You never explicitly multily x by a ...

2 years ago | 2

Answered
Why in matlab sin(pi) is not zero but sin(pi/2) is 1?
If you ever need to compute sin(x*pi) or cos(x*pi), its better to do sinpi(x) or cospi(x). You never explicitly multily x by a ...

2 years ago | 2

Published

sinpi, cospi, implicit expansion and The 2022 MATLAB Mini-Hack
The 2022 MATLAB Mini-Hack is currently underway where MATLAB users submit 280 characters of code in order to produce a cool...

2 years ago

Published

How Well Can I Draw a Circle? A MATLAB Adventure
Today's guest blogger is Rob Holt, who works at MathWorks in Natick, Massachusetts. Rob currently serves as the Manager for...

2 years ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

2 years ago

Answered
Is there any concept like dictionary or hash tables in matlab like in Python?
As of R2022b, MATLAB has a new dictionary datatype An introduction to dictionaries (associative arrays) in MATLAB » The MATLAB B...

2 years ago | 9

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Answered
How to make dictionary in Matlab
In R2022b and later, you can use the new dictionary type for this. Faster than containers.map. A tutorial-like introduction at...

2 years ago | 0

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Answered
Dictionaries of Hashtables in MATLAB?
Reviving this thread in 2022 because R2022b contains a new dictionary data type. A tutorial-like introduction at An introductio...

2 years ago | 1

Answered
Faster alternative to containers.Map
MATLAB R2022b has a new dictionary datatype that's much faster than containers.map. A tutorial-like introduction at An introduc...

2 years ago | 0

Published

An introduction to dictionaries (associative arrays) in MATLAB
Dictionaries are one of the many new features of MATLAB R2022b which was released yesterday. Today I'll take a look at some...

2 years ago

Answered
how to remove/kill the figure produced with colormap
If the colormap is the most recent command you've executed, it will be the current figure. As such, you can use delete(gcf) W...

2 years ago | 0

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Answered
How do I know how large an array can fit on the GPU?
As you've seen, gpuDevice() gives you information about your GPU. This is what I get for mine >> gpuDevice() ans = CUDA...

2 years ago | 0

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Answered
process based parpool: keep the data in the workers
Parfor is great, it auto-parallelises for us and takes care of a lot of things like data transfer to/from workers and so on. At ...

2 years ago | 0

Published

Linear Algebra in MATLAB: Trying out AMD’s AOCL
In R2022a, MathWorks started shipping AMD’s AOCL alongside Intel’s MKL in MATLAB. This article explains what these are and...

2 years ago

Published

R2022a was MathWorks biggest release ever
Every day, over 5000 MathWorkers start their work day thinking ‘How can I contribute to the acceleration of engineering and...

2 years ago

Published

[6 3 7 8 5 1 2 4 9 10] – or “A Story of Surprise About Randomness”
Back in late March, Tom Rhys Marshall discovered something about MATLAB’s handling of random numbers that he found both...

2 years ago

Published

How to make a GPU version of this MATLAB program by changing two lines
In his article, A short game of Life, Steve Eddins showed us the following few lines of code that impemented Conway's game...

2 years ago

Answered
using matlab compiler to read a .mat file at run time
You can tell the compiler to exclude things using an Exclude pragma A demo: I created a .mat file as follows myvar = 1; save(...

2 years ago | 1

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Published

Finding if all elements of a matrix are finite, fast!
Today, I'm going to focus on three new functions that were added to the MATLAB programming language in R2022a: allfinite,...

2 years ago

Answered
Is MATLAB supported on Apple Silicon Macs?
Blog post on this topic at Exploring the MATLAB beta for Native Apple Silicon » The MATLAB Blog - MATLAB & Simulink (mathworks.c...

2 years ago | 1

Published

Exploring the MATLAB beta for Native Apple Silicon
Update 8th December 2022: You may be interested in the newer Apple Silicon beta that’s discussed at Playing with the R2022b...

2 years ago

Published

Welcome to The MATLAB Blog
In the last post of her long running blog, ‘Loren on the Art of MATLAB‘, Loren Shure mentioned that I’d be continuing the...

2 years ago

Answered
Anderson Darling Goodness-of-the-fit test?
The statistics toolbox has an adtest function. It can test against a specific distribution with known parameters, or a more gene...

2 years ago | 1

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Answered
Using Parfor for solving ODE via numerical methods (Euler)
As others have said, you cannot parallelise this loop. However, what you can do is parallelise independent runs of this loop. ...

2 years ago | 1