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The optimization Spanning Trees Problem on graphs with interval weights is presented. The interval function is defined as the sum of interval weights of feasible spanning tree edges. The relation order introduced into set of feasible solutions generates the Pareto set which is considered as the solution of the interval problem. The questions of solvability(More)
A technique of constructing two-sided approximations for solution of a system of ordinary differential equations based on an implicit Adams' method is considered which takes account of truncation and rounding errors. Errors in the input data are taken into account at the stage of numerical solution using the PASCAL–XSC compiler, which implements a built-in(More)
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