four-vector Lorentz transformation contravariant
More generally, all contravariant components of a four-vector 




T

ν




{\displaystyle T^{\nu }}

 transform from one frame to another frame by a Lorentz transformation:





T


μ
′



=

Λ


μ
′







ν



T

ν




{\displaystyle T^{\mu '}=\Lambda ^{\mu '}{}_{\nu }T^{\nu }}


