Sentence examples for be difficult to solve from inspiring English sources

The trajectory models are formulated as constrained nonlinear optimization problems and are known to be difficult to solve.

Nevertheless, such complex models are based on a high-order set of differential equations which can be difficult to solve.

All the candidates, he argued, should "try to communicate better to the American people that these are complicated, difficult problems that are going to be difficult to solve and are probably going to require some sacrifice".

But Mr. Cliffe of ING said that it would be difficult to solve the debt crisis without huge bond purchases, in order to keep borrowing costs for Italy from becoming ruinous.

The dense coefficient matrices that arise from spatial discretisation of these operators mean that even one-dimensional problems can be difficult to solve using standard methods on grids comprising thousands of nodes or more.

An arrangement design problem of a submarine can also be difficult to solve due to the number of compartments and equipment placed in the limited space, as well as the numerous potential alternatives for the arrangement design.

They are difficult to solve exactly.

In general, it is difficult to solve these coupled HJIs.

The challenges we faced in our pilot project are difficult to solve.

The bilevel model is difficult to solve and may be ill-posed.

Due to high dimensionality and integro-differential nature, the equation is difficult to solve numerically.