On Saturday, December 20, 2014 1:46:33 PM UTC+1, Alok Gahlot wrote: > > Thank you dear,I got that in case of working with metric there is no > difference between covariant and contravarient tensor but if we are not > dealing with metric then ? >
Well, there is always difference between covariant and contravariant indices, with the metric you just have a correspondence between the two. If there is no metric there is no such correspondence. -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/590a68b2-0e1f-493b-a774-f186848e63c6%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
