OutputGroup# class brainpy.dyn.OutputGroup(size, sharding=None, keep_size=False, mode=None, name=None)[source]# Output neuron group for place holder. Parameters: size (Union[int, Sequence[int]]) – int, tuple of int keep_size (bool) – bool mode (Optional[Mode]) – Mode name (Optional[str]) – str update(x)[source]# The function to specify the updating rule.