Z = np.random.random((10,2))
print(Z)
X,Y = Z[:,0], Z[:,1]
print(X)
print(Y)
print(np.tan(np.pi/4))
t = np.arctan2(np.sqrt(3),1)
r = t*3
print(np.pi, r)
print(np.allclose(np.pi, r))
R = np.sqrt(X**2+Y**2)
T = np.arctan2(Y,X)
print(R)
print(T)
print(T/np.pi)
- e.g.
[[ 0.3059635 0.11279336]
[ 0.99213694 0.70904914]
[ 0.4863001 0.59119289]
[ 0.17257894 0.86010688]
[ 0.16350432 0.67312375]
[ 0.72789583 0.41819254]
[ 0.27758441 0.43846711]
[ 0.52287092 0.78472806]
[ 0.60692598 0.44147906]
[ 0.72934469 0.70356892]]
[ 0.3059635 0.99213694 0.4863001 0.17257894 0.16350432 0.72789583
0.27758441 0.52287092 0.60692598 0.72934469]
[ 0.11279336 0.70904914 0.59119289 0.86010688 0.67312375 0.41819254
0.43846711 0.78472806 0.44147906 0.70356892]
1.0
(3.141592653589793, 3.1415926535897931)
True
[ 0.32609202 1.21946152 0.76550429 0.87724988 0.69269708 0.83947445
0.5189475 0.94296984 0.75050843 1.01338685]
[ 0.35319171 0.62050298 0.88244131 1.37277753 1.33250751 0.52147536
1.00640832 0.98304178 0.62888071 0.76741174]
[ 0.11242441 0.19751223 0.28088979 0.43696866 0.42415031 0.16599076
0.32034972 0.31291192 0.20017895 0.24427474]