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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Application of quasi-Newton algorithm for solving a system of nonlinear equations
 Esterlová, Alena ; Zatočilová, Jitka (referee) ; Tomášek, Petr (advisor)
This thesis focuses on solving macroeconomic models in the form of a system of nonlinear equations. These systems often exhibit a singular Jacobian matrix, which poses a~challenge in finding their solutions. This work introduces a suitable quasi-Newton method for such situations. Specifically, the Levenberg-Marquardt method and its modified two-step variant are chosen, proving to be effective tools for overcoming issues associated with singular Jacobian matrices. The selection of appropriate numerical methods used within the Levenberg-Marquardt method is also thoroughly examined.
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Russian position in the international trade and its influence on real economy
 Abdullin, Denis ; Štěrbová, Ludmila (advisor) ; Bolotov, Ilya (referee)
International trade and competitiveness of domestic producers on the international market are very important factors for a further economic development. Country's trade structure determines its resistance to external shocks, which threaten domestic economy. Diversification gains a lot in importance lately. The existence of more industries, which are able to withstand tough competition with foreign firms is a cornerstone of economic development. Diversification is a key determinant for Russian economy due to a greater dependency on the export of raw materials, especially crude oil. These macroeconomic links can be shown by different econometric tools. Problems with excessive dependency on oil export can be detected by means of empiric analysis.
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