- #1
ehrenfest
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Homework Statement
http://books.google.com/books?id=Xm...xDw&sig=Eqnkxjj7B9gc4-nig1fgUkk7AqQ#PPA101,M1
I am confused about QC 6.4
What is the difference between [tex] Xdot^{\mu} [/tex] and X. ? Is one just tensor notation and one just matrix notation?
By the way how to you get the dot on top of the X?