Recent content by chiaki

in the notes in the book its hold Ei constant, i want to perform the derivative more generally allowing Ei to vary

Homework Statement In deriving <E2>-<E>2 starting from <E>=U=sum(Eiexp(-beta Ei))/sum(exp(-beta Ei). the taking derivative of U with respect to beta, the book always notes E (thus Volume) is held constant. what i am trying to do is taking the derivative of U with respect to beta or T...