2 rentz transformation 1. transformation formula transformation Inverse transformation x'=r(x-ut x=r(x'+ut 2=2 B Btransformation Inverse transformation ( )        = −  =  =  = − x c t t z z y y x x ut    ( )       =  +  =  =  =  +  x c t t z z y y x x ut    2.lorentz transformation 1.transformation formula 2 1 1   −  c u  