Add inverse temperature parameter to BoltzmannIsing{Visible,Hidden}
Fix disconnected inputs warning arising when beta is introduced
Add my name to authors
Add bias noise resampling function, code formatting
Improve documentation
Add BoltzmannMachine class draft and accompanying tests
Add Boltzmann machine costs draft
Add credits to Boltzmann machine-related files
Add boltzmann_machine cost draft (not working)
Add connectivity support in boltzmann_machine and corresponding unit tests
Add variational inference draft
Cosmetic changes
Fix sample and variational_inference methods up to a working state
Add missing argument to self.sample call
Implement VariationalPCD for BoltzmannMachine
Add Space-related methods
Make irange an optional parameter
Change naming convention from 'ndim' to 'n_units'
Add mathematical derivation for 'sample' method in docstring
Documentation changes