Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Abstract: In this communication, a polarization-independent controlled wideband sequential rotation dual-circularly (dual-CP) polarized magnetoelectric dipole array is proposed. The basic element of ...

# The shape is defined by a list of (x,y) points to set the corners ...

You are given an n x n 2D matrix representing an image, rotate the image by 90 degrees (clockwise). You have to rotate the image in-place, which means you have to modify the input 2D matrix directly.