## Why is MATLAB so fast in matrix multiplication?

I am making some benchmarks with CUDA, C++, C#, Java, and using MATLAB for verification and matrix generation. When I perform matrix multiplication … Read more

I am making some benchmarks with CUDA, C++, C#, Java, and using MATLAB for verification and matrix generation. When I perform matrix multiplication … Read more

I have an n x m matrix consisting of non-negative integers. For example: 2 3 4 7 1 1 5 2 6 2 … Read more

I’ve got an array of arrays, something like: [ [1,2,3], [1,2,3], [1,2,3], ] I would like to transpose it to get the following … Read more

This question already has answers here: how does multiplication differ for NumPy Matrix vs Array classes? (8 answers) Closed 8 years ago. When … Read more

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question … Read more

Inspired by Raymond Chen’s post, say you have a 4×4 two dimensional array, write a function that rotates it 90 degrees. Raymond links … Read more

For example, if I want to read the middle value from magic(5), I can do so like this: M = magic(5); value = … Read more

In numpy, some of the operations return in shape (R, 1) but some return (R,). This will make matrix multiplication more tedious since … Read more

What are the advantages and disadvantages of each? From what I’ve seen, either one can work as a replacement for the other if … Read more

I have a list of 2-item tuples and I’d like to convert them to 2 lists where the first contains the first item … Read more