def bl_differential2():
return coordinates.BoyerLindquistDifferential(
4 * u.km,
2 * u.rad,
1 * u.rad,
-100 * u.m / u.s,
-1 * u.rad / u.s,
10 * u.deg / u.s,
100 * u.m,
)
def bl_differential():
return coordinates.BoyerLindquistDifferential(
10.0 * u.km,
1.5707963267948966 * u.rad,
0.7853981633974483 * u.rad,
10.0 * u.km / u.s,
-20.0 * u.rad / u.s,
20.0 * u.rad / u.s,
0.0 * u.km,
)