View Single Post
Shackleford
#1
Feb18-10, 06:54 PM
P: 1,558
This isn't homework, but I worked this out to become more fluent with expressing these operations using sums, indices, etc. This is from my Vector Analysis course, and the professor said understanding this would make the rest of the course smooth sailing if I get all these concepts down.

I'm fairly confident on A X B since I checked it with my notes from class.

However, for the triple scalar product, in our notes we started with b-sub j and c-sub k. I started with b-sub i and c-sub j, so the order of my indices were different. I also worked out the operations separately then combined them at the end. In class, we wrote everything out all at once. I get the feeling that's the better way to do it. Thanks for any help.

Phys.Org News Partner Science news on Phys.org
'Office life' of bacteria may be their weak spot
Lunar explorers will walk at higher speeds than thought
Philips introduces BlueTouch, PulseRelief control for pain relief