Evaluation of current distribution induced on perfect electrically conducting scatterers

In the real world, there are production network which are composed of a set of the productionprocesses, so that each production process have several interdependent subunits. in this paper, weconsider dynamic networks which are composed of a set of production systems with parallel subunits,so that each subunit at any period uses of exogenous inputs and pervious period outputs to productthe nal outputs and intermediate outputs. then, we will proposed a model that focuses on theevaluating the performance of production systems across time and the calculating of the eciency ofthe whole system and subunits at each period.