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Program package for the optimal parametrical identification of dynamic models: application for forecasting of socially— economic system dynamics of the USA

In this work the program package for optimal parametrical identification of nonlinear models is developed. The algorithm of Levenberg-Marquardt in Fletcher's updating is applied. The developed program package is applied for researching of the mathematical model describing dynamics of socially-economic system of USA. Earlier such mathematical models have been used for the analysis of socially-economic system of Russia and have shown the suf¬ficient adequacy.