'Das Wesen der Mathematik ist ihre Freiheit'

Georg Cantor

Albert Einstein, about death of his friend Michele Besso

, then if n=3 =

,

properties:

and

and

, , , , the reciprocal of

then

, ,

,

=

its conjugate = its transpose

where ~ is the equivalence relation that identifies 2 points if they both lie on the same straight line passing through the origin

dot and cross prod.:

unit vector, rot.axis

where is parallel and is perpendicular to rotation axis

..............................to be continued

~ * back * ~