Recent content by frogster

Doh! It seems so obvious now. Thanks. I always have trouble finding factors of two and sign errors. Sometimes if I take a break and then work out the problem from scratch, I can fix the errors, but for some reason I can never find them staring at the math ... like my brain skips over it...

Homework Statement I'm having trouble understanding coordinate transformations for vector fields. There are two 'coordinate pieces', the coordinates pieces of the vector at a point changes, and the function describing the field can also be rewritten in terms of the new coordinates. I'm...