# Differentiation of a vektorfield

1. Mar 2, 2012

### klabautermann

hi!

i flipped through my notes on a class on general relativity this morning and i found an expression wich doesn't make sense to me. im not sure if don't understand the last term in the last equality or it just dosn't make sense. i would appreciate your oppinion.
a,b are abstract indicies. everything else are coordinate indicies.

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2. Mar 4, 2012

### bloby

You should explain your notations...

3. Mar 5, 2012

### klabautermann

of course. as i said, a and b are abstract indicies, i,j,m,k are components with respect to a basis. bared and not bared components and differential operators correspond to different coordinate systems.

4. Mar 5, 2012

### bloby

Ok but what are $\partiala$, the quotation? x is a vector?

5. Mar 5, 2012

### bloby

$\partial_{a}$

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