Recent content by Redukt

I think this is occasion for a big *headdesk* (on my own behalf, obviously). How did I not see this? Thanks a lot. :)

My apologies in advance for asking what (to me) looks like an extremely stupid question, but I just can't figure it out. 1. Homework Statement : Where is this an inner product: \int_{a}^{b}f(x)g(x) dx a) on C[a,b]? b) on C(R)? The answer is that it is an inner product on a), but not...