Displaying similar documents to “On the existence of a weak solution of the boundary value problem for the equilibrium of a shallow shell reinforced with stiffening ribs”

On numerical integration of implicit ordinary differential equations

Zdzisław Jackiewicz, Marian Kwapisz (1981)

Aplikace matematiky

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In this paper it is shown how the numerical methods for ordinary differential equations can be adapted to implicit ordinary differential equations. The resulting methods are of the same order as the corresponding methods for ordinary differential equations. The convergence theorem is proved and some numerical examples are given.

A Distance-Based Method for Attribute Reduction in Incomplete Decision Systems

Demetrovics, Janos, Thi, Vu Duc, Giang, Nguyen Long (2013)

Serdica Journal of Computing

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There are limitations in recent research undertaken on attribute reduction in incomplete decision systems. In this paper, we propose a distance-based method for attribute reduction in an incomplete decision system. In addition, we prove theoretically that our method is more effective than some other methods.