- #1
Alain De Vos
- 36
- 1
With coordinates q en basis e ,textbooks use as line element :
ds=∑ ei*dqi But ei is a function of place, as one can see in deriving formulas for covariant derivative. Why don't they use as line element the correct:
ds=∑ (ei*dqi+dei*qi)
Same question in deriving covariant derivative,
ds=∑ ei*dqi But ei is a function of place, as one can see in deriving formulas for covariant derivative. Why don't they use as line element the correct:
ds=∑ (ei*dqi+dei*qi)
Same question in deriving covariant derivative,