On the method of nonclosed nonlinear models analysis

Nonclosed models analysis method is described, based on construction and visualization of the set of multidimensional replays on exogeneous influences and parameter disturbances. This method belongs to the so called Generalized Reachable Sets approach (A. Lotov) and is now spread upon nonlinear case. As an Ulustration the investigation of one variant of Soviet economic reform is described. Additional opportunities of the reform strategy have been discovered.