This script allows the user to convert between Polar and Cartesian coordinates.
from math import * import numpy as np def cart2pol(x, y): rho = np.sqrt(x**2+y**2) phi = np.arctan2(y, x) return rho, phi def pol2cart(rho, phi): x= rho * np.cos(phi) y= rho * np.sin(phi) return x, y