Incorrect

Yes, that is correct. From Wolfram:
It should be this since we are looking for a vector result: NumberedEquation1.gif
For the length it is: NumberedEquation2.gif

This one seems to be a weird mix between the two: 666799033718f12c82b3bfaf1abf59ab.png

Tonglil06:35, 17 April 2012

I agree. This is fixed now. Thank you!

Bernhard Konrad06:43, 17 April 2012

No worries!

Tonglil06:44, 17 April 2012