How I can convert huge matrix into small blocks

Hi everyone

Basically, I have a *.txt file with 2048x2048 matrix, I want to convert it into 64 small matrices with size of 256x256.

How I can do this in matlab.

Thanks In advance

Answer 1

[Dinesh Yadav]

First read your text file into matrix. An example is in the link below

https://in.mathworks.com/matlabcentral/answers/216671-read-txt-file-into-a-matrix

and the break into smaller matrices by reading the following link

https://in.mathworks.com/matlabcentral/answers/89757-how-to-divide-256x256-matrix-into-sixteen-16x16-blocks