Answered
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 months ago | 0

Answered
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 months ago | 0

Answered
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 months ago | 1

Answered
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 months ago | 1

Answered
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 months ago | 0

| accepted

Answered
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 months ago | 1

| accepted

Published

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 months ago

Published

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...

4 months ago

Published

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 months ago

Solved

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

5 months ago

Solved

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

5 months ago

Solved

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

5 months ago

Solved

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 ...

5 months ago

Solved

Create a vector
Create a vector from 0 to n by intervals of 2.

5 months ago

Solved

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

5 months ago

Solved

Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not to use d...

5 months ago

Published

Creating seamless loop animations in MATLAB
This is a guest post by Vasileios Bellos that he originally wrote in the MathWorks Central Discussions channel. Vasileios is...

5 months ago

Solved

Find max
Find the maximum value of a given vector or matrix.

5 months ago

Solved

Get the length of a given vector
Given a vector x, the output y should equal the length of x.

5 months ago

Solved

Inner product of two vectors
Find the inner product of two vectors.

5 months ago

Solved

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

5 months ago

Published

4 ways of using MATLAB with Large Language Models (LLMs) such as ChatGPT and Ollama
Everyone's talking about Large Language Models (LLMs) and a huge number of you are using them too. Here are 4 ways to make...

6 months ago

Published

MATLAB now has over 1,000 functions that Just Work on NVIDIA GPUs
GPU support in MATLAB started in R2010bBack in R2010b, the first GPU enabled functions were made available in MATLAB via...

6 months ago

Published

Weather and climate data in MATLAB: GRIB file format support
Author: This is a guest post by Jacob Halbrooks, Manager of Mapping at MathWorks.GRIB is a standard file format used to...

6 months ago

Answered
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 = [...

6 months ago | 2

| accepted

Published

The latest version of MATLAB: R2024b has just been released
Representing the culmination of millions of person-hours of work conducted by thousands of engineers around the world, the...

6 months ago

Answered
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? »...

6 months ago | 3

Published

What’s the difference between the A and B releases in MATLAB?
As we get closer to the release of MATLAB R2024b this Wednesday, many users inevitably ask "What's the difference between...

6 months ago

Answered
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...

6 months ago | 0

| accepted

Published

Teaching MATLAB at the 2024 EUMaster4HPC High Performance Computing Summer School
I think that MATLAB is a great platform on which to do High Performance Computing (HPC) and take any opportunity I can to...

7 months ago