What is the maximum number of possible topological sorts of N-order Direct Acyclic Graph?

的n阶有向无环图的拓扑排序的可能的最大数量是多少？

youdao

LSP parameters can be obtained by solving an N-order non-linear equation relating to the linear predictive coding (LPC) coefficients.

LSP参数可以通过求解一个与线性预测系数(LPC)相关的非线性N阶方程得到。

youdao

We said each of the merge operations O was of order n. But n is different. Right?

注意这里发生了什么,我们说过每一次合并操作的复杂度都是？

麻省理工公开课 - 计算机科学及编程导论课程节选

I know it's gonna take me a lot of work on the order of N squared steps to sort these things.

要对它们排序就要进行大量的工作,大概需要N平方步。

哈佛公开课 - 计算机科学课程节选

It's going to weigh too much, we don't need to look at it. But it'll still be order 2 to the n.

我们没必要去看它,但是它还是要遵循2到n的顺序。

麻省理工公开课 - 计算机科学及编程导论课程节选

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