z = [ 0., 1., 2., 3., 4., 5., 6., 7., 8., 9., 10.] # np.linspace(0, 10, 11)
x = [ # np.cos(z)
1.0,
0.5403023058681398,
-0.4161468365471424,
-0.9899924966004454,
-0.6536436208636119,
0.28366218546322625,
0.960170286650366,
0.7539022543433046,
-0.14550003380861354,
-0.9111302618846769,
-0.8390715290764524
]
y = [ # np.sin(z)
0.0,
0.8414709848078965,
0.9092974268256817,
0.1411200080598672,
-0.7568024953079282,
-0.9589242746631385,
-0.27941549819892586,
0.6569865987187891,
0.9893582466233818,
0.4121184852417566,
-0.5440211108893698
]