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Update orbital_elements.py #259

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Update orbital_elements.py #259

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8 changes: 4 additions & 4 deletions orbitdeterminator/kep_determination/orbital_elements.py
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ def h_angularmomentuum(R=None, V=None, semimajor_axis=None, eccentricity=None):

h_angularmomentuum = None

if R.any != None and V.any != None:
if R is not None and V is not None:
h = np.cross(R, V)
h_angularmomentuum = np.linalg.norm(h)

Expand Down Expand Up @@ -119,7 +119,7 @@ def true_anomaly(R=None, V=None, eccentricity=None, E_eccentric_anomaly=None):

true_anomaly = None

if R.any != None and V.any != None:
if R is not None and V is not None:

r_abs = np.linalg.norm(R)
v_abs = np.linalg.norm(V)
Expand Down Expand Up @@ -194,7 +194,7 @@ def semimajor_axis(R = None, V = None, T_orbitperiod = None):

semimajor_axis = None

if R.any != None and V.any != None:
if R is not None and V is not None:
eccentricity_vec = eccentricity_v(R, V)
eccentricity = np.linalg.norm(eccentricity_vec)

Expand Down Expand Up @@ -393,4 +393,4 @@ def get_statevector_from_orbital_elemts(self, inclination, raan, eccentricity,
V2 = oe.V

print(R2, np.linalg.norm(R2))
print(np.linalg.norm(R2-R1))
print(np.linalg.norm(R2-R1))