Sentence examples for proved difficult to solve from inspiring English sources

The redundancy allocation problem, which aims at finding the optimal trade-off between system performance and investment costs, is proved difficult to solve and has received much attention in the literature.

Others, though, were concerned that the case would prove difficult to solve.

"Someone of John Carver's integrity has to try to find solutions that are proving difficult to solve.

Macroscopic transport of light in scattering materials, such as tissue, can be described by the Radiative Transport Equation (RTE), which has proven difficult to solve analytically without introducing severe approximations and simplifications.

The latter aim proved difficult to enforce.

Yet reform proved difficult to implement.

The furlough plan proved difficult to enforce.

The advice proved difficult to follow.

Neutrality proved difficult to maintain, though.

Alas, it proved difficult to find.

Genocide has proved difficult to prosecute.