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machine.py
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machine.py
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# Copyright 2018 The Simons Foundation, Inc. - All Rights Reserved.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import netket as nk
import networkx as nx
import numpy as np
import scipy.sparse as sparse
# Constructing a 1d lattice
g = nk.graph.Hypercube(length=4, n_dim=1)
# Hilbert space of spins from given graph
hi = nk.hilbert.Spin(s=0.5, graph=g)
# Hamiltonian
ha = nk.operator.Ising(h=1.0, hilbert=hi)
# Machine
ma = nk.machine.RbmSpin(hilbert=hi, alpha=1)
ma.init_random_parameters(seed=1234, sigma=0.1)
ma.save("test.wf")
ma.parameters = np.zeros(ma.n_par)
ma.load("test.wf")
print(ma.parameters)