# Free energy estimation (Monte Carlo)

1. Jan 5, 2005

### Machiveli

Can anyone point me to some source code for monte carlo methods for free energy estimation. Standard metropolis/hamiltonian dont work since its the integral not the expectation I'm interested in.

candidates seem to be path sampling/ bridge sampling and annealed importance sampling of which anealed importance sampling seems to be the best.

However I cant quite understand the algorithm from Neal's paper