Perform n_steps Leapfrog steps
hmc_leapfrogs(gradient, step_size, n_steps, position, momentum, d)
| gradient | the gradient of the target |
|---|---|
| step_size | the step size of the leapfrog step |
| n_steps | the total number of steps |
| position | the current value of the parameter vector, termed position in Hamiltonian dynamics |
| momentum | the current "momentum" in the HMC sampler |
| d | dimension of parmaeter vector |