Sentence examples for challenging instances from inspiring English sources

Therefore, it is of interest to evaluate to what extent a standard solver like Cplex can be used to solve more challenging instances.

We also present a new set of large challenging instances, since previous sets do not allow to determine significant differences among advanced metaheuristics.

In addition, we propose a hybrid SA/MIP method that combines the advantages of the pure methods on the challenging instances.

For the 56 most challenging instances with unknown optimal results, BLS succeeds in improving 49 and matching one best known results within reasonable time.

Besides a remarkable computational efficiency, the ease of implementation and capability of locating promising solutions for challenging instances of practical design optimization are amongst the remarkable features of the proposed algorithm.

Furthermore, we introduce 11 randomly generated instances to further evaluate the efficiency of the hybrid algorithm, and we make these computationally challenging instances publicly available to other researchers for benchmarking purposes.

To prevent violence, the project supports individuals, institutions and service providers to challenge instances when abuses occur in their communities.

To this end, the widely used PSPLIB problem library of heterogeneous and challenging RCPSP instances presented in Kolisch and Sprecher (1996) was used and modified to match the specific characteristics of our problem.

Alternatively, working out the role of the Ndc80 complex in checkpoint control is challenging: for instance, only when levels of hNDC80 complex subunits were depleted below ∼1% of wild-type level was the human spindle checkpoint inactivated [56].

The therapists identified instances of maladaptive thinking and encouraged the group to challenge these instances and to provide more appropriate interpretations and alternatives.

One question that Mr. Booth raised in the lower courts, but did not make part of his Supreme Court appeal, is whether the law even applies to suits such as his, which challenges particular instances of excessive force rather than prison conditions in general.