log

Quaternion.log

Synonym of property logarithm()

Returns:

log – Logarithm of quaternion.

Return type:

numpy.ndarray

Examples

>>> q = Quaternion([1.0, -2.0, 3.0, -4.0])
>>> q
Quaternion([ 0.18257419, -0.36514837,  0.54772256, -0.73029674])
>>> q.log
array([ 0.        , -0.51519029,  0.77278544, -1.03038059])
>>> q = Quaternion([0.0, 1.0, -2.0, 3.0])
>>> q
Quaternion([ 0.        ,  0.26726124, -0.53452248,  0.80178373])
>>> q.log
array([ 0.        ,  0.41981298, -0.83962595,  1.25943893])