code: def Beta(alpha: vertex_constructor_param_types, beta: vertex_constructor_param_types, label: Optional[str]=None) -> Vertex:
      
      return Double(context.jvm_view().BetaVertex, label, cast_to_double_vertex(alpha), cast_to_double_vertex(beta))
docs: One to one constructor for mapping some tensorShape of alpha and beta to
      a matching tensorShaped Beta.
      
      :param alpha: the alpha of the Beta with either the same tensorShape as specified for this vertex or a scalar
      :param beta: the beta of the Beta with either the same tensorShape as specified for this vertex or a scalar