How to check if a matrix is antisymmetric?

Here's my code to check if a matrix is antisymmetric. (A relation R on a set A is called antisymmetric if and only i...

How to create a Multidimensional ArrayList in Java??

I'm fairly new to ArrayLists anyway but I need them for this project I'm doing so if you guys could help me I would ...

Cropping image by the center?

I have a PNG image of size 218, 178. I am using matplotlib's function imread to convert it into a ndarray. I would l...

How do I copy a 2 Dimensional array in Java??

I need to make a copy of a fairly large 2 dimensional array for a project I am working on. I have two 2D arrays: in...