例句與造句

1. He is responsible for a well-known approximation algorithm for graph colouring.
2. The graph colouring techniques explore sparsity patterns of the Hessian matrix and cheap Hessian vector products to obtain the entire matrix.
3. This algorithm is nowadays presented in many textbooks, including " Introduction to Algorithms " by Cormen et al ., and it forms the basis of many other distributed algorithms for graph colouring.
4. I see that this method would be what I need, but I really don't understand the articles, and the Simple English Wikipedia doesn't have an article specifically about graph colouring.
5. "Descartes " also published on graph colouring, and Tutte used the pseudonym to publish the fourth known Hector P閠ard ( another fictitious mathematical personage ) on the day of his wedding to Betti Bourbaki ( daughter of Nicolas Bourbaki, yet another fictitious mathematical personage ).
6. It's difficult to find graph colouring in a sentence. 用graph colouring造句挺難的