code: def load_data_to_net(net, inst_net):
    ''' load data into nodes and mat, also convert mat to numpy array'''
    net.dat['nodes'] = inst_net['nodes']
    net.dat['mat'] = inst_net['mat']
    data_formats.mat_to_numpy_arr(netf load_data_to_net(net, inst_net):
    ''' load data into nodes and mat, also convert mat to numpy array'''
    net.dat['nodes'] = inst_net['nodes']
    net.dat['mat'] = inst_net['mat']
    data_formats.mat_to_numpy_arr(net)
docs: load data into nodes and mat, also convert mat to numpy array