Incremental versus adjoint models for network sensitivity analysis

An alternative to the sensitivity analysis of variable parameter networks based on the adjoint model is developed by introduction of the "incremental" model. The latter consists of a network having current and voltage distributions equal to the incrementals of the corresponding distributions of the original network, and may be considered an extension of the familiar case of small-signal analysis of nonlinear networks. Examples of application, as well as extensions to higher order incrementals, are discussed.