Barney Gale barneygale
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| import numpy as np | |
| def cart2pol(x, y): | |
| ''' | |
| cartesian to polar coordinates | |
| ''' | |
| theta = np.arctan2(y, x) | |
| rho = np.sqrt(x**2 + y**2) | |
| return (theta, rho) |