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Maths Question by glenalec2002-06-19 16:40:32
  It was a question... by glenalec2002-06-19 17:10:37
    In which case by pas51 2002-06-19 17:24:18

the most likely answer is that b1 is the first contravariant component of a vector and b1 is the corresponding covariant component, where

   bi = gijbj    (sum over j)

and gij is the metric tensor.

If they occur in the same equation, the equation is probably

 b1b1 + b2b2 + b3b3

otherwise known as the dot product of b with itself.

[ Reply ]
      Thanx. by glenalec2002-06-19 18:03:13

 

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