Quote Originally Posted by Dr Aum View Post
Also, I'm not used to there being integrals of summations--it seems a little redundant.
I thought so too, since integrals are defined as a summation over a contrinuous distribution (I think)

But then I thought differentiation under the intergration sign was silly... how wrong I was when that came up in my maths lectures last week... I'm glad I'm not doing a degree in maths though, but physics is mostly maths anyway...