T3Tangent.sum_tangents#

t3toolbox.manifold.T3Tangent.sum_tangents(axis=None)#

def sum_tangents(self, axis=None) -> 'T3Tangent':

Sum over the tangent stack K (a batch of tangents at the shared frame) into one tangent.

Corewise (= the tensor sum, by linearity); the frame stack C is preserved. axis indexes within K (default: the whole tangent stack).